docs: function(variables) {
          var animation = false,
          animationstring = 'animation',
          keyframeprefix = '',
          domPrefixes = ["Webkit", "Moz", "O", "ms", "Khtml"],
          pfx = '',
          elm = document.querySelector("body");
  
          if( elm.style.animationName !== undefined ) { animation = true; }
          if( animation === false ) {
              for( var i = 0; i < domPrefixes.length; i++ ) {
                  if( elm.style[ domPrefixes[i] + 'AnimationName' ] !== undefined ) {
                      pfx = domPrefixes[ i ];
                      animationstring = pfx + 'Animation';
                      keyframeprefix = '-' + pfx.toLowerCase() + '-';
                      animation = true;
                      break;
                  }
              }
          }
          variables.keyframesPrefix = keyframeprefix;
          variables.animationString = animationstring;
          variables.aliases = {
              transform: keyframeprefix + "transform"
          };
          variables.count = 1;
      }