.scroll_button{position:fixed;width:50px;height:50px;background-color:var(--primary);border:1px solid var(--primary);color:#fff;border-radius:50%;right:40px;bottom:30px;cursor:pointer;transition:.5s;z-index:100;font-size:19px}.scroll_button:hover{background-color:rgba(0,0,0,0);color:var(--primary)}