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fixes #21219: update docs to reflect current sm breakpoint value

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Mark Otto 2016-11-28 17:05:17 -08:00
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commit 339f8c3c48
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@ -24,7 +24,7 @@ Here are the big ticket items you'll want to be aware of when moving from v3 to
- Switched from [Less](http://lesscss.org/) to [Sass](http://sass-lang.com/) for our source CSS files.
- Switched from `px` to `rem` as our primary CSS unit, though pixels are still used for media queries and grid behavior as viewports are not affected by type size.
- Global font-size increased from `14px` to `16px`.
- Added a new grid tier for ~`480px` and below.
- Added a new grid tier for smaller devices at `576px` and below.
- Replaced the separate optional theme with configurable options via SCSS variables (e.g., `$enable-gradients: true`).
### Grid system
@ -121,7 +121,7 @@ New to Bootstrap 4 is the Reboot, a new stylesheet that builds on Normalize with
### Grid system
- Added a new `~480px` grid breakpoint, meaning there are now five total tiers.
- Added a new `576px` grid breakpoint as `sm`, meaning there are now five total tiers (`xs`, `sm`, `md`, `lg`, and `xl`).
- Renamed the responsive grid modifier classes from `.col-{breakpoint}-{modifier}-{size}` to `.{modifier}-{breakpoint}-{size}` for simpler grid classes. For example, instead of `.col-md-3.col-md-push-9` it's `col-md-3.push-md-9`.
- Overhauled the grid mixins to merge `make-col` and `make-col-span` into a single `make-col` mixin, thereby ensuring mixins and predefined classes utilize the same float/flex behaviors.
- Added flexbox utility classes for grid system and components.