.browser-btn {
    height              : 27px;
    width               : 25px;
    overflow            : hidden;
    cursor              : pointer;
    position            : relative;
    cursor              : default;
    background-position : 0 27px;
    background-repeat   : no-repeat;
    background-image    : url("@{image-path}/browser_button.png");
    -moz-user-select: -moz-none;
    -khtml-user-select: none;
    -webkit-user-select: none;
    -o-user-select: none;
    user-select: none;
}

.browser-btn span{
    display : block;
    width : 17px;
    height : 17px;
    position : absolute;
    left : 5px;
    top : 5px;
    background-repeat   : no-repeat;
}

.browser-btnOver {
    background-position : 0 0px;
}

.browser-btnDown {
    background-position : 0 -27px;
}