:root{--first-color:#051337;--second-color:white;--third-color:#67b5e3;--fourth-color:#666;--fifth-color: #bedbf4}* .link{text-decoration:none;color:inherit}body{padding:0;margin:0}button{color:#fff;padding:10px 20px;border-radius:5px;border:1px solid white;cursor:pointer;background-color:transparent}button:hover{background-color:var(--third-color);border-color:var(--third-color);color:var(--first-color)}