.scrollTop{border:2px solid #376994;cursor:pointer;height:50px;position:relative;transition:all .1s linear;width:50px}.scrollTop:hover{background-color:#376994}.scrollTop:after,.scrollTop:before{background-color:#376994;content:"";display:block;height:2px;margin:0;position:absolute;top:0;transition:all .3s ease-in-out;width:20px}.scrollTop:hover:after,.scrollTop:hover:before{background-color:#fff}.scrollTop:before{margin:22px 0 0 6px;transform:rotate(-40deg)}.scrollTop:after{margin:22px 0 0 20px;transform:rotate(40deg)}