#pagina{display:flex;flex-direction:column;align-items:center;justify-content:start;height:100vh}#brand{margin:1em}#logo{background-color:#fff;border-radius:50%;margin:1em}#firma{all:unset;position:absolute;bottom:1em;cursor:pointer}body{background-color:#3d3b3c;color:#fff;font-weight:700}a{padding:1em;margin:.5em;width:calc(100% - 1em);max-width:680px;border-radius:0;background-color:#fff;font-weight:700;border:2px solid white;transition:.25s;font-size:16px;text-transform:uppercase;text-align:center;color:#000;text-decoration:none}a:hover{background-color:#3d3b3c;color:#fff}