bootstrap 3.2 upgrade

public/css/lib/bootstrap/buttons.less

@@ -2,6 +2,7 @@
 // Buttons
 // --------------------------------------------------
 
+
 // Base styles
 // --------------------------------------------------
 
@@ -36,7 +37,7 @@
   &.active {
     outline: 0;
     background-image: none;
-    .box-shadow(inset 0 3px 5px rgba(0, 0, 0, .125));
+    .box-shadow(inset 0 3px 5px rgba(0,0,0,.125));
   }
 
   &.disabled,
@@ -49,37 +50,34 @@
   }
 }
 
+
 // Alternate buttons
 // --------------------------------------------------
 
 .btn-default {
   .button-variant(@btn-default-color; @btn-default-bg; @btn-default-border);
 }
-
 .btn-primary {
   .button-variant(@btn-primary-color; @btn-primary-bg; @btn-primary-border);
 }
-
 // Success appears as green
 .btn-success {
   .button-variant(@btn-success-color; @btn-success-bg; @btn-success-border);
 }
-
 // Info appears as blue-green
 .btn-info {
   .button-variant(@btn-info-color; @btn-info-bg; @btn-info-border);
 }
-
 // Warning appears as orange
 .btn-warning {
   .button-variant(@btn-warning-color; @btn-warning-bg; @btn-warning-border);
 }
-
 // Danger and error appear as red
 .btn-danger {
   .button-variant(@btn-danger-color; @btn-danger-bg; @btn-danger-border);
 }
 
+
 // Link buttons
 // -------------------------
 
@@ -119,6 +117,7 @@
   }
 }
 
+
 // Button Sizes
 // --------------------------------------------------
 
@@ -126,24 +125,21 @@
   // line-height: ensure even-numbered height of button next to large input
   .button-size(@padding-large-vertical; @padding-large-horizontal; @font-size-large; @line-height-large; @border-radius-large);
 }
-
 .btn-sm {
   // line-height: ensure proper height of button next to small input
   .button-size(@padding-small-vertical; @padding-small-horizontal; @font-size-small; @line-height-small; @border-radius-small);
 }
-
 .btn-xs {
   .button-size(@padding-xs-vertical; @padding-xs-horizontal; @font-size-small; @line-height-small; @border-radius-small);
 }
 
+
 // Block button
 // --------------------------------------------------
 
 .btn-block {
   display: block;
   width: 100%;
-  padding-left: 0;
-  padding-right: 0;
 }
 
 // Vertically space out multiple block buttons