.back-to-top-button{background-color:var(--color4,#141e3f);width:45px;height:45px;color:var(--color3);border:2px solid var(--color3);cursor:pointer;z-index:1000;opacity:.8;border-radius:50%;justify-content:center;align-items:center;transition:all .3s;display:flex;position:fixed;bottom:30px;right:30px;box-shadow:0 4px 6px #0000004d,0 1px 3px #0003}.back-to-top-button:hover{background-color:var(--color-main-2,#212939);opacity:1;transform:translateY(-3px);box-shadow:0 6px 12px #0006,0 2px 4px #0000004d}.back-to-top-icon{width:24px;height:24px}@media (max-width:768px){.back-to-top-button{width:40px;height:40px;bottom:20px;right:20px}.back-to-top-icon{width:20px;height:20px}}