wp-admin/css/colors/_mixins.scss

   1 /*
   2  * Button mixin- creates 3d-ish button effect with correct
   3  * highlights/shadows, based on a base color.
   4  */
   5 @mixin button( $button-color, $text-color: white ) {
   6         background: $button-color;
   7         border-color: darken( $button-color, 10% );
   8         color: $text-color;
   9         box-shadow: inset 0 1px 0 lighten( $button-color, 15% ), 0 1px 0 rgba(0,0,0,.15);
  10
  11         &:hover,
  12         &:focus {
  13                 background: darken( $button-color, 5% );
  14                 border-color: darken( $button-color, 15% );
  15                 color: $text-color;
  16                 box-shadow: inset 0 1px 0 lighten( $button-color, 10% ), 0 1px 0 rgba(0,0,0,.15);
  17         }
  18
  19         &:active {
  20                 background: darken( $button-color, 10% );
  21                 border-color: darken( $button-color, 15% );
  22                 color: $text-color;
  23                 box-shadow: inset 0 2px 5px -3px rgba( 0, 0, 0, 0.5 );
  24         }
  25
  26         &[disabled],
  27         &:disabled,
  28         &.button-primary-disabled,
  29         &.disabled {
  30                 color: hsl( hue( $button-color ), 10%, 80% ) !important;
  31                 background: darken( $button-color, 8% ) !important;
  32                 border-color: darken( $button-color, 15% ) !important;
  33                 text-shadow: none !important;
  34         }
  35 }