mirror of
https://github.com/twbs/bootstrap.git
synced 2025-11-04 00:03:15 -05:00
574 lines
18 KiB
Plaintext
574 lines
18 KiB
Plaintext
//
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// Mixins
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// --------------------------------------------------
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// UTILITY MIXINS
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// --------------------------------------------------
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// Clearfix
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// --------
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// For clearing floats like a boss h5bp.com/q
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.clearfix() {
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&:before,
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&:after {
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display: table;
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content: "";
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// Fixes Opera/contenteditable bug:
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// http://nicolasgallagher.com/micro-clearfix-hack/#comment-36952
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line-height: 0;
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}
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&:after {
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clear: both;
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}
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}
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// Webkit-style focus
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// ------------------
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.tab-focus() {
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// Default
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outline: thin dotted #333;
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// Webkit
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outline: 5px auto -webkit-focus-ring-color;
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outline-offset: -2px;
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}
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// Center-align a block level element
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// ----------------------------------
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.center-block() {
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display: block;
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margin-left: auto;
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margin-right: auto;
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}
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// Sizing shortcuts
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// -------------------------
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.size(@width, @height) {
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width: @width;
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height: @height;
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}
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.square(@size) {
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.size(@size, @size);
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}
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// Placeholder text
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// -------------------------
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.placeholder(@color: @input-color-placeholder) {
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&:-moz-placeholder {
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color: @color;
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}
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&:-ms-input-placeholder {
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color: @color;
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}
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&::-webkit-input-placeholder {
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color: @color;
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}
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}
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// Text overflow
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// -------------------------
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// Requires inline-block or block for proper styling
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.text-overflow() {
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overflow: hidden;
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text-overflow: ellipsis;
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white-space: nowrap;
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}
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// CSS image replacement
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// -------------------------
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// Source: https://github.com/h5bp/html5-boilerplate/commit/aa0396eae757
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.hide-text() {
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font: 0/0 a;
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color: transparent;
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text-shadow: none;
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background-color: transparent;
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border: 0;
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}
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// FONTS
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// --------------------------------------------------
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#font {
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#family {
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.serif() {
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font-family: @font-family-serif;
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}
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.sans-serif() {
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font-family: @font-family-sans-serif;
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}
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.monospace() {
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font-family: @font-family-monospace;
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}
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}
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.shorthand(@size: @font-size-base, @weight: normal, @lineHeight: @line-height-base) {
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font-size: @size;
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font-weight: @weight;
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line-height: @lineHeight;
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}
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.serif(@size: @font-size-base, @weight: normal, @lineHeight: @line-height-base) {
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#font > #family > .serif;
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#font > .shorthand(@size, @weight, @lineHeight);
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}
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.sans-serif(@size: @font-size-base, @weight: normal, @lineHeight: @line-height-base) {
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#font > #family > .sans-serif;
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#font > .shorthand(@size, @weight, @lineHeight);
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}
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.monospace(@size: @font-size-base, @weight: normal, @lineHeight: @line-height-base) {
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#font > #family > .monospace;
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#font > .shorthand(@size, @weight, @lineHeight);
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}
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}
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// FORMS
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// --------------------------------------------------
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// Block level inputs
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.input-block-level() {
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display: block;
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width: 100%;
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}
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// Mixin for form field states
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.formFieldState(@text-color: #555, @borderColor: #ccc, @backgroundColor: #f5f5f5) {
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// Set the text color
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.control-label,
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.help-block,
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.help-inline {
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color: @text-color;
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}
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// Style inputs accordingly
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.checkbox,
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.radio,
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input,
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select,
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textarea {
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color: @text-color;
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}
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input,
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select,
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textarea {
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border-color: @borderColor;
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.box-shadow(inset 0 1px 1px rgba(0,0,0,.075)); // Redeclare so transitions work
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&:focus {
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border-color: darken(@borderColor, 10%);
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@shadow: inset 0 1px 1px rgba(0,0,0,.075), 0 0 6px lighten(@borderColor, 20%);
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.box-shadow(@shadow);
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}
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}
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// Give a small background color for input-prepend/-append
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.input-prepend .add-on,
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.input-append .add-on {
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color: @text-color;
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background-color: @backgroundColor;
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border-color: @text-color;
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}
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}
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// CSS3 PROPERTIES
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// --------------------------------------------------
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// Single Corner Border Radius
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.border-top-left-radius(@radius) {
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-webkit-border-top-left-radius: @radius;
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-moz-border-radius-topleft: @radius;
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border-top-left-radius: @radius;
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}
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.border-top-right-radius(@radius) {
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-webkit-border-top-right-radius: @radius;
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-moz-border-radius-topright: @radius;
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border-top-right-radius: @radius;
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}
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.border-bottom-right-radius(@radius) {
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-webkit-border-bottom-right-radius: @radius;
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-moz-border-radius-bottomright: @radius;
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border-bottom-right-radius: @radius;
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}
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.border-bottom-left-radius(@radius) {
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-webkit-border-bottom-left-radius: @radius;
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-moz-border-radius-bottomleft: @radius;
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border-bottom-left-radius: @radius;
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}
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// Single Side Border Radius
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.border-top-radius(@radius) {
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.border-top-right-radius(@radius);
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.border-top-left-radius(@radius);
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}
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.border-right-radius(@radius) {
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.border-top-right-radius(@radius);
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.border-bottom-right-radius(@radius);
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}
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.border-bottom-radius(@radius) {
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.border-bottom-right-radius(@radius);
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.border-bottom-left-radius(@radius);
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}
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.border-left-radius(@radius) {
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.border-top-left-radius(@radius);
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.border-bottom-left-radius(@radius);
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}
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// Drop shadows
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.box-shadow(@shadow) {
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-webkit-box-shadow: @shadow; // iOS <4.3 & Android <4.1
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box-shadow: @shadow;
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}
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// Transitions
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.transition(@transition) {
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-webkit-transition: @transition;
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-moz-transition: @transition;
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-o-transition: @transition;
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transition: @transition;
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}
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.transition-delay(@transition-delay) {
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-webkit-transition-delay: @transition-delay;
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-moz-transition-delay: @transition-delay;
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-o-transition-delay: @transition-delay;
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transition-delay: @transition-delay;
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}
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// Transformations
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.rotate(@degrees) {
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-webkit-transform: rotate(@degrees);
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-moz-transform: rotate(@degrees);
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-ms-transform: rotate(@degrees);
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-o-transform: rotate(@degrees);
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transform: rotate(@degrees);
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}
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.scale(@ratio) {
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-webkit-transform: scale(@ratio);
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-moz-transform: scale(@ratio);
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-ms-transform: scale(@ratio);
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-o-transform: scale(@ratio);
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transform: scale(@ratio);
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}
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.translate(@x, @y) {
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-webkit-transform: translate(@x, @y);
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-moz-transform: translate(@x, @y);
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-ms-transform: translate(@x, @y);
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-o-transform: translate(@x, @y);
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transform: translate(@x, @y);
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}
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.skew(@x, @y) {
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-webkit-transform: skew(@x, @y);
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-moz-transform: skew(@x, @y);
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-ms-transform: skewX(@x) skewY(@y); // See https://github.com/twitter/bootstrap/issues/4885
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-o-transform: skew(@x, @y);
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transform: skew(@x, @y);
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-webkit-backface-visibility: hidden; // See https://github.com/twitter/bootstrap/issues/5319
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}
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.translate3d(@x, @y, @z) {
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-webkit-transform: translate3d(@x, @y, @z);
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-moz-transform: translate3d(@x, @y, @z);
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-o-transform: translate3d(@x, @y, @z);
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transform: translate3d(@x, @y, @z);
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}
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// Backface visibility
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// Prevent browsers from flickering when using CSS 3D transforms.
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// Default value is `visible`, but can be changed to `hidden
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// See git pull https://github.com/dannykeane/bootstrap.git backface-visibility for examples
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.backface-visibility(@visibility){
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-webkit-backface-visibility: @visibility;
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-moz-backface-visibility: @visibility;
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backface-visibility: @visibility;
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}
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// Background clipping
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.background-clip(@clip) {
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-webkit-background-clip: @clip;
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-moz-background-clip: @clip;
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background-clip: @clip;
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}
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// Background sizing
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.background-size(@size) {
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-webkit-background-size: @size;
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-moz-background-size: @size;
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-o-background-size: @size;
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background-size: @size;
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}
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// Box sizing
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.box-sizing(@boxmodel) {
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-webkit-box-sizing: @boxmodel;
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-moz-box-sizing: @boxmodel;
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box-sizing: @boxmodel;
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}
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// User select
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// For selecting text on the page
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.user-select(@select) {
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-webkit-user-select: @select;
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-moz-user-select: @select;
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-ms-user-select: @select;
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-o-user-select: @select;
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user-select: @select;
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}
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// Resize anything
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.resizable(@direction) {
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resize: @direction; // Options: horizontal, vertical, both
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overflow: auto; // Safari fix
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}
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// CSS3 Content Columns
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.content-columns(@columnCount, @columnGap: @grid-gutter-width) {
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-webkit-column-count: @columnCount;
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-moz-column-count: @columnCount;
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column-count: @columnCount;
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-webkit-column-gap: @columnGap;
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-moz-column-gap: @columnGap;
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column-gap: @columnGap;
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}
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// Optional hyphenation
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.hyphens(@mode: auto) {
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word-wrap: break-word;
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-webkit-hyphens: @mode;
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-moz-hyphens: @mode;
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-ms-hyphens: @mode;
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-o-hyphens: @mode;
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hyphens: @mode;
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}
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// Opacity
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.opacity(@opacity) {
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opacity: @opacity / 100;
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filter: ~"alpha(opacity=@{opacity})"; // IE8
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}
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// BACKGROUNDS
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// --------------------------------------------------
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// Gradients
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#gradient {
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.horizontal(@startColor: #555, @endColor: #333) {
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background-color: @endColor;
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background-image: -moz-linear-gradient(left, @startColor, @endColor); // FF 3.6+
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background-image: -webkit-gradient(linear, 0 0, 100% 0, from(@startColor), to(@endColor)); // Safari 4+, Chrome 2+
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background-image: -webkit-linear-gradient(left, @startColor, @endColor); // Safari 5.1+, Chrome 10+
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background-image: -o-linear-gradient(left, @startColor, @endColor); // Opera 11.10
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background-image: linear-gradient(to right, @startColor, @endColor); // Standard, IE10
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background-repeat: repeat-x;
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filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=1)",argb(@startColor),argb(@endColor))); // IE9 and down
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}
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.vertical(@startColor: #555, @endColor: #333) {
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background-color: mix(@startColor, @endColor, 60%);
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background-image: -moz-linear-gradient(top, @startColor, @endColor); // FF 3.6+
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background-image: -webkit-gradient(linear, 0 0, 0 100%, from(@startColor), to(@endColor)); // Safari 4+, Chrome 2+
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background-image: -webkit-linear-gradient(top, @startColor, @endColor); // Safari 5.1+, Chrome 10+
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background-image: -o-linear-gradient(top, @startColor, @endColor); // Opera 11.10
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background-image: linear-gradient(top, @startColor, @endColor); // Standard, IE10
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background-repeat: repeat-x;
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filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=0)",argb(@startColor),argb(@endColor))); // IE9 and down
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}
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.directional(@startColor: #555, @endColor: #333, @deg: 45deg) {
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background-color: @endColor;
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background-repeat: repeat-x;
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background-image: -moz-linear-gradient(@deg, @startColor, @endColor); // FF 3.6+
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background-image: -webkit-linear-gradient(@deg, @startColor, @endColor); // Safari 5.1+, Chrome 10+
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background-image: -o-linear-gradient(@deg, @startColor, @endColor); // Opera 11.10
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background-image: linear-gradient(@deg, @startColor, @endColor); // Standard, IE10
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}
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.vertical-three-colors(@startColor: #00b3ee, @midColor: #7a43b6, @colorStop: 50%, @endColor: #c3325f) {
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background-color: mix(@midColor, @endColor, 80%);
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background-image: -webkit-gradient(linear, 0 0, 0 100%, from(@startColor), color-stop(@colorStop, @midColor), to(@endColor));
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background-image: -webkit-linear-gradient(@startColor, @midColor @colorStop, @endColor);
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background-image: -moz-linear-gradient(top, @startColor, @midColor @colorStop, @endColor);
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background-image: -o-linear-gradient(@startColor, @midColor @colorStop, @endColor);
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background-image: linear-gradient(@startColor, @midColor @colorStop, @endColor);
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background-repeat: no-repeat;
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filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=0)",argb(@startColor),argb(@endColor))); // IE9 and down, gets no color-stop at all for proper fallback
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}
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.radial(@innerColor: #555, @outerColor: #333) {
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background-color: @outerColor;
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background-image: -webkit-gradient(radial, center center, 0, center center, 460, from(@innerColor), to(@outerColor));
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background-image: -webkit-radial-gradient(circle, @innerColor, @outerColor);
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background-image: -moz-radial-gradient(circle, @innerColor, @outerColor);
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background-image: -o-radial-gradient(circle, @innerColor, @outerColor);
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background-repeat: no-repeat;
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}
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.striped(@color: #555, @angle: 45deg) {
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background-color: @color;
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background-image: -webkit-gradient(linear, 0 100%, 100% 0, color-stop(.25, rgba(255,255,255,.15)), color-stop(.25, transparent), color-stop(.5, transparent), color-stop(.5, rgba(255,255,255,.15)), color-stop(.75, rgba(255,255,255,.15)), color-stop(.75, transparent), to(transparent));
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background-image: -webkit-linear-gradient(@angle, rgba(255,255,255,.15) 25%, transparent 25%, transparent 50%, rgba(255,255,255,.15) 50%, rgba(255,255,255,.15) 75%, transparent 75%, transparent);
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background-image: -moz-linear-gradient(@angle, rgba(255,255,255,.15) 25%, transparent 25%, transparent 50%, rgba(255,255,255,.15) 50%, rgba(255,255,255,.15) 75%, transparent 75%, transparent);
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background-image: -o-linear-gradient(@angle, rgba(255,255,255,.15) 25%, transparent 25%, transparent 50%, rgba(255,255,255,.15) 50%, rgba(255,255,255,.15) 75%, transparent 75%, transparent);
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background-image: linear-gradient(@angle, rgba(255,255,255,.15) 25%, transparent 25%, transparent 50%, rgba(255,255,255,.15) 50%, rgba(255,255,255,.15) 75%, transparent 75%, transparent);
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}
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}
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// Reset filters for IE
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.reset-filter() {
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filter: e(%("progid:DXImageTransform.Microsoft.gradient(enabled = false)"));
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}
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// COMPONENT MIXINS
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// --------------------------------------------------
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// Horizontal dividers
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// -------------------------
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// Dividers (basically an hr) within dropdowns and nav lists
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.nav-divider(@top: #e5e5e5, @bottom: #fff) {
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height: 1px;
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margin: ((@line-height-base / 2) - 1) 1px; // 8px 1px
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overflow: hidden;
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background-color: @top;
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border-bottom: 1px solid @bottom;
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}
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// Button backgrounds
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// ------------------
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.buttonBackground(@startColor, @endColor, @text-color: #fff, @textShadow: 0 -1px 0 rgba(0,0,0,.25)) {
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color: @text-color;
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text-shadow: @textShadow;
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#gradient > .vertical(@startColor, @endColor);
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border-color: @endColor @endColor darken(@endColor, 15%);
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border-color: rgba(0,0,0,.1) rgba(0,0,0,.1) fadein(rgba(0,0,0,.1), 15%);
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.reset-filter();
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// in these cases the gradient won't cover the background, so we override
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&:hover, &:active, &.active, &.disabled, &[disabled] {
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color: @text-color;
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background-color: @endColor;
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}
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// IE8 can't handle box-shadow to show active, so we darken a bit ourselves
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&:active,
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&.active {
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background-color: darken(@endColor, 10%) e("\9");
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}
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}
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// Navbar vertical align
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// -------------------------
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// Vertically center elements in the navbar.
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// Example: an element has a height of 30px, so write out `.navbarVerticalAlign(30px);` to calculate the appropriate top margin.
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.navbarVerticalAlign(@elementHeight) {
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margin-top: (@navbar-height - @elementHeight) / 2;
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}
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// Grid System
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// -----------
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// Centered container element
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.container-fixed() {
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margin-right: auto;
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margin-left: auto;
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.clearfix();
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}
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// Make a Grid
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// Use .makeRow and .makeColumn to assign semantic layouts grid system behavior
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.makeRow() {
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margin-left: @grid-gutter-width * -1;
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.clearfix();
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}
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.makeColumn(@columns: 1, @offset: 0) {
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float: left;
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margin-left: (@grid-column-width * @offset) + (@grid-gutter-width * (@offset - 1)) + (@grid-gutter-width * 2);
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width: (@grid-column-width * @columns) + (@grid-gutter-width * (@columns - 1));
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}
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// The Grid
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#grid {
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.core(@grid-column-width, @grid-gutter-width, @grid-row-width) {
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.spanX(@index) when (@index > 0) {
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(~".span@{index}") { .span(@index); }
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.spanX(@index - 1);
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}
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.spanX(0) {}
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.offsetX(@index) when (@index > 0) {
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(~".offset@{index}") { .offset(@index); }
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.offsetX(@index - 1);
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}
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.offsetX(0) {}
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// Base styles
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.offset(@columns) {
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margin-left: percentage(@columns / @grid-columns);
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}
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.span(@columns) {
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width: percentage(@columns / @grid-columns);
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}
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.row {
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// Negative indent the columns so text lines up
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margin-left: @grid-gutter-width / -2;
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margin-right: @grid-gutter-width / -2;
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// Clear the floated columns
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.clearfix();
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}
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[class*="span"] {
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float: left; // Collapse whitespace
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min-height: 1px; // Prevent empty columns from collapsing
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padding-left: @grid-gutter-width / 2;
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padding-right: @grid-gutter-width / 2;
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// Proper box-model (padding doesnt' add to width)
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-webkit-box-sizing: border-box;
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-moz-box-sizing: border-box;
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box-sizing: border-box;
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}
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// Generate .spanX and .offsetX
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.spanX(@grid-columns);
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.offsetX(@grid-columns);
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}
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.input(@grid-column-width, @grid-gutter-width, @grid-row-width) {
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.spanX(@index) when (@index > 0) {
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(~"input.span@{index}, textarea.span@{index}, select.span@{index}, .uneditable-input.span@{index}") { .span(@index); }
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.spanX(@index - 1);
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}
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.spanX(0) {}
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.offsetX(@index) when (@index > 0) {
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(~"input.offset@{index}, textarea.offset@{index}, select.offset@{index}, uneditable-input.offset@{index}") { .offset(@index); }
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.offsetX(@index - 1);
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}
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.offsetX(0) {}
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.span(@columns) {
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// TODO: Figure out how to add this back behind a class
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// Part 1: Since inputs require padding *and* margin, we subtract the grid gutter width, as a percent of the row, from the default column width.
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//width: percentage(@columns / @grid-columns) - percentage(@grid-gutter-width / @grid-row-width);
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// Part 2: That subtracted width then gets split in half and added to the left and right margins.
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// margin-left: percentage((@grid-gutter-width / 2) / @grid-row-width);
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// margin-right: percentage((@grid-gutter-width / 2) / @grid-row-width);
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}
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.offset(@columns) {
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// Take the normal offset margin and add an extra gutter's worth.
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margin-left: percentage(@columns / @grid-columns) + percentage((@grid-gutter-width / 2) / @grid-row-width);
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}
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// Generate .spanX and .offsetX
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.spanX(@grid-columns);
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.offsetX(@grid-columns);
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}
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}
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