.btntotop{display:none;position:fixed;width:70px;height:70px;bottom:120px;right:50px;background-color:#2e2e2e;z-index:999999;opacity:.5;transition:all 0.3s;align-items:center;text-align:center;cursor:pointer}.btntotop:hover{background-color:#2e2e2e;opacity:1;transition:all 0.3s}.btntotop img{align-items:center;height:fit-content;margin:0 auto}@media screen and (max-width:1680px){.btntotop{width:50px;height:50px;bottom:100px;right:23px!important}}@media screen and (max-width:768px){.btntotop{width:52px;height:52px;bottom:24px;right:24px}.btntotop:hover{opacity:.5;align-content}}