diff --git a/docs/assets/css/bootstrap.css b/docs/assets/css/bootstrap.css
index 57325606f2..71c42f3196 100644
--- a/docs/assets/css/bootstrap.css
+++ b/docs/assets/css/bootstrap.css
@@ -714,6 +714,18 @@ a.text-success:hover {
   color: #356635;
 }
 
+.text-left {
+  text-align: left;
+}
+
+.text-right {
+  text-align: right;
+}
+
+.text-center {
+  text-align: center;
+}
+
 h1,
 h2,
 h3,
@@ -4387,7 +4399,9 @@ input[type="submit"].btn.btn-mini {
 
 .navbar .btn-group .btn,
 .navbar .input-prepend .btn,
-.navbar .input-append .btn {
+.navbar .input-append .btn,
+.navbar .input-prepend .btn-group,
+.navbar .input-append .btn-group {
   margin-top: 0;
 }
 
diff --git a/less/navbar.less b/less/navbar.less
index 1e488d8983..cfbc30a6e6 100644
--- a/less/navbar.less
+++ b/less/navbar.less
@@ -95,7 +95,9 @@
 }
 .navbar .btn-group .btn,
 .navbar .input-prepend .btn,
-.navbar .input-append .btn {
+.navbar .input-append .btn,
+.navbar .input-prepend .btn-group,
+.navbar .input-append .btn-group {
   margin-top: 0; // then undo the margin here so we don't accidentally double it
 }