Sass 3.2 compatible vendor prefix mixin

gistfile1.scss

$official:true;            //Official
$support-for-webkit:true;  //Chrome, Safari
$support-for-mozilla:true; //Firefox
$support-for-ie:true;      //IE
$support-for-o:true;       //Opera
 
@mixin prefix($property, $value...) {
 
  @if $property == 'keyframes' {
      @if $support-for-webkit { @-webkit-keyframes $value { @content; } }
      @if $support-for-mozilla {  @-mozilla-keyframes $value { @content; } }
      @if $official {@keyframes $value { @content; } }
  } @else {
      @if $support-for-webkit {
        -webkit-#{$property}: $value;
      }
      @if $support-for-mozilla {
        -moz-#{$property}: $value;
      }
      @if $support-for-ie {
        -ms-#{$property}: $value;
      }
      @if $support-for-o {
        -o-#{$property}: $value;
      }
      @if $official {
        #{$property}: $value;
      }
  }
}