.nextend-onoff{
    float: left;
    background: url("../../images/onoff.png") -26px 0 no-repeat;
    width: 48px;
    height: 18px;
    border-radius: 4px;
    cursor: pointer;
    border: 2px solid #adbcc5;
    margin: 2px 0;
    -webkit-user-select:none;
    -moz-user-select:none;
    -webkit-transition:background-position 0.2s ease-in;  
    -moz-transition:background-position 0.2s ease-in;  
    -o-transition:background-position 0.2s ease-in;  
    transition:background-position 0.2s ease-in;  
}

.x-rtl .nextend-onoff{
    float: right;
}

.nextend-onoff.nextend-onoff-on{
    background-position: 0 0;
}