@mixin BR( $size ) {
	border-radius: $size;
	-moz-border-radius: $size;
}

@mixin sff {
  line-height: 1em;

  -webkit-box-sizing: content-box;
  -moz-box-sizing: content-box;
  box-sizing: content-box;
}

@mixin BS( $size  ) {
	-webkit-box-shadow: 0px 2px 12px rgba(0,0,0, $size );
	-moz-box-shadow:    0px 2px 12px rgba(0,0,0, $size );
 	box-shadow:         0px 2px 12px rgba(0,0,0, $size );

}

@mixin transparent($color, $alpha) {
  $rgba: rgba($color, $alpha);
  $ie-hex-str: ie-hex-str($rgba);
  background-color: transparent;
  background-color: $rgba;
  filter:progid:DXImageTransform.Microsoft.gradient(startColorstr=#{$ie-hex-str},endColorstr=#{$ie-hex-str});
  zoom: 1;
}