.back-to-top{bottom:275px;display:none;position:fixed;right:10px;z-index:9999}.back-to-top-btn{border:none;border-radius:6px;box-shadow:0 4px 8px rgba(0,0,0,.2);color:#212139;cursor:pointer;font-size:14px;padding:10px 15px;transition:opacity .3s,transform .3s}.back-to-top-btn:hover{opacity:.9;transform:translateY(-2px)}.back-to-top-btn .arrow{font-size:25px;margin-left:8px}@media screen and (max-width:768px){.back-to-top{bottom:190px}.back-to-top-btn{align-items:center;border-radius:50%;display:flex;height:50px;justify-content:center;padding:0;width:50px}.back-to-top-text{display:none}.back-to-top-btn .arrow{font-size:25px;margin-left:0}}