less_mixin.less

/* 
CSS3 Transistion mixin for elements
Firefox 4+, Safari 5+, Chrome 10+, Opera 11+ 
*/
.mixin-transition(@element, @duration:0.2s, @ease:ease-out) {
  -webkit-transition: @element @duration @ease;
  -moz-transition: @element @duration @ease;
  -o-transition: @element @duration @ease;
  transition: @element @duration @ease;
}

/*
CSS3 Transistion mixin for elements that allows more complicated syntax
Firefox 4+, Safari 5+, Chrome 10+, Opera 11+ 
*/
.mixin-transition-complicated(@args) {
  -webkit-transition: @args;
  -moz-transition: @args;
  -o-transition: @args;
  transition: @args;
}

/* 
Rotate css node.
Firefox 3.6+, Safari 5+, Chrome 10+, Internet Explorer 9+, Opera 11+
*/
.mixin-rotate(@deg:90deg){
  -webkit-transform: rotate(@deg);
  -moz-transform: rotate(@deg);
  transform: rotate(@deg);
}

/* 
Rounded borders
Firefox 3.6, Firefox 4+, Safari 5+, Chrome 10+, Internet Explorer 9+, Opera 11+ 
*/
.mixin-rounded(@radius:4px) {
  -webkit-border-radius: @radius;
  -bordermoz-border-radius: @radius;
  border-radius: @radius;
  -moz-background-clip: padding; -webkit-background-clip: padding-box; background-clip: padding-box;
}
/* Firefox 3.6+, Safari 5+, Chrome 10+, Internet Explorer 9+, Opera 11+ */
.mixin-transform-origin(@x-origin:50%, @y-origin:50%) {
-moz-transform-origin:@x-origin, @y-originrigin;
-webkit-transform-origin:@x-origin, @y-origin;
-o-transform-originriginigin:@x-origin, @y-origin;
-ms-transform-origin:@x-origin, @y-origin;
    transform-origin:@x-origin, @y-origin;
}
/* Firefox 3.6, Firefox 4+, Safari 5, Safari 5.1+, Chrome 10+, Internet Explorer 9+, Opera 11+ */
.mixin-box-shadow(@args) {
  -webkit-box-shadow: @args;
  -moz-box-shadow: @args;
  box-shadow: @args;
}
/* Firefox 3.6+, Safari 5,Safari 5.1+, Chrome 10+, Opera 11+ */
.mixin-gradient(@color: #efefef, @start: #eee, @stop: #fff) {
  background: @color;
  background: -webkit-gradient(linear, left bottom, left top, color-stop(0, @start), color-stop(1, @stop));
  background: -ms-linear-gradient(bottom, @start, @stop);
  background: -moz-linear-gradient(center bottom, @start 0%, @stop 100%);
}
/* 
Firefox 3.6+, Safari 5,Safari 5.1+, Chrome 10+, Opera 11+ 
*/
.mixin-b-gradient(@color: #efefef, @start: 0, @stop: 255) {
  background: @color;
  background: -webkit-gradient(linear, left bottom, left top, color-stop(0, rgb(@start,@start,@start)), color-stop(1, rgb(@stop,@stop,@stop)));
  background: -ms-linear-gradient(bottom, rgb(@start,@start,@start) 0%, rgb(@start,@start,@start) 100%);
  background: -moz-linear-gradient(center bottom, rgb(@start,@start,@start) 0%, rgb(@stop,@stop,@stop) 100%);
}

/* 
Stop users being able to select elements
Firefox 3.6+, Safari 5,Safari 5.1+, Chrome 10+, Opera 11+, IOS
*/
.mixin-stop-select(){
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -khtml-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

/* 
Define box sizing
Firefox (any), Safari 3 +,  Opera 8.5+, IE8+, Chrome 4+, IOS. http://caniuse.com/css3-boxsizing
*/
.mixin-box-sizing(@type: border-box) {
    -webkit-box-sizing: @type;
    -moz-box-sizing:    @type;
    box-sizing:         @type;
}