.border-radius(@radius: 5px) {
    -webkit-background-clip: padding-box;
    -webkit-border-radius: @radius;
    -moz-background-clip: padding-box;
    -moz-border-radius: @radius;
    border-radius: @radius;
    background-clip: padding-box;
}
.box-shadow(@horizontal: 0px, @vertical: 1px, @blur: 2px, @color: #CCC) {
  -webkit-box-shadow: @horizontal @vertical @blur @color;
  -moz-box-shadow: @horizontal @vertical @blur @color;
  box-shadow: @horizontal @vertical @blur @color;
}
.inset-box-shadow(@horizontal: 0px, @vertical: 1px, @blur: 2px, @color: #CCC) {
  -webkit-box-shadow: inset @horizontal @vertical @blur @color;
  -moz-box-shadow: inset @horizontal @vertical @blur @color;
  box-shadow: inset @horizontal @vertical @blur @color;
}
.multi-color-border(@top, @sides, @bottom) {
    border-top: 1px solid @top;
    border-left: 1px solid @sides;
    border-right: 1px solid @sides;
    border-bottom: 1px solid @bottom;
}
.multi-rounded-corners(@topLeft: 5px, @topRight: 5px, @bottomRight: 5px, @bottomLeft: 5px) {
    -webkit-border-top-left-radius: @topLeft;
    -webkit-border-top-right-radius: @topRight;
    -webkit-border-bottom-right-radius: @bottomRight;
    -webkit-border-bottom-left-radius: @bottomLeft;
    -moz-border-radius-topleft: @topLeft;
    -moz-border-radius-topright: @topRight;
    -moz-border-radius-bottomright: @bottomRight;
    -moz-border-radius-bottomleft: @bottomLeft;
    border-top-left-radius: @topLeft;
    border-top-right-radius: @topRight;
    border-bottom-right-radius: @bottomRight;
    border-bottom-left-radius: @bottomLeft;
}
.vertical-gradient(@start: #000, @stop: #FFF) {
    background: -webkit-gradient(linear, left top, left bottom, from(@start), to(@stop));
    background: -webkit-linear-gradient(@start, @stop);
    background: -moz-linear-gradient(center top, @start 0%, @stop 100%);
    background: -moz-gradient(center top, @start 0%, @stop 100%);
}

/* CSS3 - image preloader */
.preload {
    background-image: url(images/image_01.png),
                      url(images/image_02.png),
                      url(images/image_03.png),
                      url(images/image_04.png),
                      url(images/image_05.png);
    background-position: -9999px -9999px;
    background-repeat: no-repeat;
}

/* CSS2 image preloader */
.preload-01{ background: url(images/image_01.png) no-repeat -9999px -9999px;}
.preload-02{ background: url(images/image_02.png) no-repeat -9999px -9999px;}
.preload-03{ background: url(images/image_03.png) no-repeat -9999px -9999px;}
.preload-04{ background: url(images/image_04.png) no-repeat -9999px -9999px;}
.preload-05{ background: url(images/image_05.png) no-repeat -9999px -9999px;}