.box-shadow(@x:0px, @y:2px, @blur:3px, @color:rgba(0, 0, 0, 0.28)) {
    -moz-box-shadow: @arguments;
    -webkit-box-shadow: @arguments;
    box-shadow: @arguments;
}
.ellipsis-basic() {
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    -ms-text-overflow: ellipsis;
    -o-text-overflow: ellipsis;
}
.ellipsis(@substract:0) {
    .ellipsis-basic();
    width: 100% - @substract;
}

.user-select(){
    -webkit-user-select:none;
    -moz-user-select:none;
    -ms-user-select:none;
    user-select:none;
}