.radius (@radius: 2px) {
  -webkit-border-radius: @radius;
     -moz-border-radius: @radius;
      border-radius: @radius;
}
.radiuses (@topright: 0, @bottomright: 0, @bottomleft: 0, @topleft: 0) {
  -webkit-border-top-right-radius: @topright;
  -webkit-border-bottom-right-radius: @bottomright;
  -webkit-border-bottom-left-radius: @bottomleft;
  -webkit-border-top-left-radius: @topleft;
  -moz-border-radius-topright: @topright;
  -moz-border-radius-bottomright: @bottomright;
  -moz-border-radius-bottomleft: @bottomleft;
  -moz-border-radius-topleft: @topleft;
  border-top-right-radius: @topright;
  border-bottom-right-radius: @bottomright;
  border-bottom-left-radius: @bottomleft;
  border-top-left-radius: @topleft;
  -moz-background-clip: padding; -webkit-background-clip: padding-box; background-clip: padding-box;
}
.shadow(@x: 0px, @y: 1px, @blur: 0px, @size: 0px, @color: rgba(0,0,0,0.5) ) {
  -webkit-box-shadow: @x @y @blur @size @color;
     -moz-box-shadow: @x @y @blur @size @color;
      -ms-box-shadow: @x @y @blur @size @color;
          box-shadow: @x @y @blur @size @color;
}
.transition(@transition) {
  -webkit-transition: @transition;
     -moz-transition: @transition;
      -ms-transition: @transition;
       -o-transition: @transition;
          transition: @transition;
}
.rotate(@degrees) {
  -webkit-transform: rotate(@degrees);
     -moz-transform: rotate(@degrees);
      -ms-transform: rotate(@degrees);
       -o-transform: rotate(@degrees);
          transform: rotate(@degrees);
}
.scale(@ratio) {
  -webkit-transform: scale(@ratio);
     -moz-transform: scale(@ratio);
      -ms-transform: scale(@ratio);
       -o-transform: scale(@ratio);
          transform: scale(@ratio);
}
.translate(@x, @y) {
  -webkit-transform: translate(@x, @y);
     -moz-transform: translate(@x, @y);
      -ms-transform: translate(@x, @y);
       -o-transform: translate(@x, @y);
          transform: translate(@x, @y);
}
.skew(@x, @y) {
  -webkit-transform: skew(@x, @y);
     -moz-transform: skew(@x, @y);
      -ms-transform: skew(@x, @y);
       -o-transform: skew(@x, @y);
          transform: skew(@x, @y);
}
.translate3d(@x, @y, @z) {
  -webkit-transform: translate(@x, @y, @z);
     -moz-transform: translate(@x, @y, @z);
      -ms-transform: translate(@x, @y, @z);
       -o-transform: translate(@x, @y, @z);
          transform: translate(@x, @y, @z);
}
.background-clip(@clip) {
  -webkit-background-clip: @clip;
     -moz-background-clip: @clip;
          background-clip: @clip;
}
.background-size(@size){
  -webkit-background-size: @size !important;
     -moz-background-size: @size !important;
       -o-background-size: @size !important;
          background-size: @size !important;
}
.box-sizing(@boxmodel) {
  -webkit-box-sizing: @boxmodel;
     -moz-box-sizing: @boxmodel;
      -ms-box-sizing: @boxmodel;
          box-sizing: @boxmodel;
}
.columns(@colwidth: 250px, @colcount: 0, @colgap: 50px, @columnRuleColor: #EEE, @columnRuleStyle: solid, @columnRuleWidth: 1px) {
  -moz-column-width: @colwidth;
  -moz-column-count: @colcount;
  -moz-column-gap: @colgap;
  -moz-column-rule-color: @columnRuleColor;
  -moz-column-rule-style: @columnRuleStyle;
  -moz-column-rule-width: @columnRuleWidth;
  -webkit-column-width: @colwidth;
  -webkit-column-count: @colcount;
  -webkit-column-gap: @colgap;
  -webkit-column-rule-color: @columnRuleColor;
  -webkit-column-rule-style: @columnRuleStyle;
  -webkit-column-rule-width: @columnRuleWidth;
  column-width: @colwidth;
  column-count: @colcount;
  column-gap: @colgap;
  column-rule-color: @columnRuleColor;
  column-rule-style: @columnRuleStyle;
  column-rule-width: @columnRuleWidth;
}
.opacity(@opacity) {
  opacity: @opacity / 100;
  filter: ~"alpha(opacity=@{opacity})";
}
#gradient {
  .horizontal(@startColor: #555, @endColor: #333) {
    background-color: @endColor;
    background-image: -moz-linear-gradient(left, @startColor, @endColor);
    background-image: -ms-linear-gradient(left, @startColor, @endColor);
    background-image: -webkit-gradient(linear, 0 0, 100% 0, from(@startColor), to(@endColor));
    background-image: -webkit-linear-gradient(left, @startColor, @endColor);
    background-image: -o-linear-gradient(left, @startColor, @endColor);
    background-image: linear-gradient(left, @startColor, @endColor);
    background-repeat: repeat-x;
    filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=1)",@startColor,@endColor));
  }
  .vertical(@startColor: #555, @endColor: #333) {
    background-color: mix(@startColor, @endColor, 60%);
    background-image: -moz-linear-gradient(top, @startColor, @endColor);
    background-image: -ms-linear-gradient(top, @startColor, @endColor);
    background-image: -webkit-gradient(linear, 0 0, 0 100%, from(@startColor), to(@endColor));
    background-image: -webkit-linear-gradient(top, @startColor, @endColor);
    background-image: -o-linear-gradient(top, @startColor, @endColor);
    background-image: linear-gradient(top, @startColor, @endColor);
    background-repeat: repeat-x;
    filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=0)",@startColor,@endColor));
  }
  .directional(@startColor: #555, @endColor: #333, @deg: 45deg) {
    background-color: @endColor;
    background-repeat: repeat-x;
    background-image: -moz-linear-gradient(@deg, @startColor, @endColor);
    background-image: -ms-linear-gradient(@deg, @startColor, @endColor);
    background-image: -webkit-linear-gradient(@deg, @startColor, @endColor);
    background-image: -o-linear-gradient(@deg, @startColor, @endColor);
    background-image: linear-gradient(@deg, @startColor, @endColor);
  }
  .vertical-three-colors(@startColor: #00b3ee, @midColor: #7a43b6, @colorStop: 50%, @endColor: #c3325f) {
    background-color: mix(@midColor, @endColor, 80%);
    background-image: -webkit-gradient(linear, 0 0, 0 100%, from(@startColor), color-stop(@colorStop, @midColor), to(@endColor));
    background-image: -webkit-linear-gradient(@startColor, @midColor @colorStop, @endColor);
    background-image: -moz-linear-gradient(top, @startColor, @midColor @colorStop, @endColor);
    background-image: -ms-linear-gradient(@startColor, @midColor @colorStop, @endColor);
    background-image: -o-linear-gradient(@startColor, @midColor @colorStop, @endColor);
    background-image: linear-gradient(@startColor, @midColor @colorStop, @endColor);
    background-repeat: no-repeat;
    filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=0)",@startColor,@endColor));
  }
  .radial(@innerColor: #555, @outerColor: #333)  {
    background-color: @outerColor;
    background-image: -webkit-gradient(radial, center center, 0, center center, 460, from(@innerColor), to(@outerColor));
    background-image: -webkit-radial-gradient(circle, @innerColor, @outerColor);
    background-image: -moz-radial-gradient(circle, @innerColor, @outerColor);
    background-image: -ms-radial-gradient(circle, @innerColor, @outerColor);
    background-image: -o-radial-gradient(circle, @innerColor, @outerColor);
    background-repeat: no-repeat;
  }
  .striped(@color, @angle: -45deg) {
    background-color: @color;
    background-image: -webkit-gradient(linear, 0 100%, 100% 0, color-stop(.25, rgba(255,255,255,.15)), color-stop(.25, transparent), color-stop(.5, transparent), color-stop(.5, rgba(255,255,255,.15)), color-stop(.75, rgba(255,255,255,.15)), color-stop(.75, transparent), to(transparent));
    background-image: -webkit-linear-gradient(@angle, rgba(255,255,255,.15) 25%, transparent 25%, transparent 50%, rgba(255,255,255,.15) 50%, rgba(255,255,255,.15) 75%, transparent 75%, transparent);
    background-image: -moz-linear-gradient(@angle, rgba(255,255,255,.15) 25%, transparent 25%, transparent 50%, rgba(255,255,255,.15) 50%, rgba(255,255,255,.15) 75%, transparent 75%, transparent);
    background-image: -ms-linear-gradient(@angle, rgba(255,255,255,.15) 25%, transparent 25%, transparent 50%, rgba(255,255,255,.15) 50%, rgba(255,255,255,.15) 75%, transparent 75%, transparent);
    background-image: -o-linear-gradient(@angle, rgba(255,255,255,.15) 25%, transparent 25%, transparent 50%, rgba(255,255,255,.15) 50%, rgba(255,255,255,.15) 75%, transparent 75%, transparent);
    background-image: linear-gradient(@angle, rgba(255,255,255,.15) 25%, transparent 25%, transparent 50%, rgba(255,255,255,.15) 50%, rgba(255,255,255,.15) 75%, transparent 75%, transparent);
  }
}
.reset-filter() {
  filter: e(%("progid:DXImageTransform.Microsoft.gradient(enabled = false)"));
}
