.u-vmenu ul li span[data-option='on'] {
    background: url(../webImages/4.png) center no-repeat;
    height: 13px;
    width: 13px;
    float: left;
    padding: 15px 15px;
    transform: rotate(180deg);
    transition: .3s;
    cursor: pointer;
    position: absolute;
    left: 0px;
    top: 5px;
}

.u-vmenu ul li span[data-option='off'] {
    background: url(../webImages/4.png) center no-repeat;
    height: 13px;
    width: 13px;
    float: left;
    padding: 15px 15px;
    transform: rotate(0deg);
    transition: .3s;
    cursor: pointer;
    position: absolute;
    left: 0px;
    top: 5px;
}