body{display:flex;align-items:center;padding:40px 0;background-color:#f5f5f5;color:#fff;text-align:center;font-family:sans-serif;font-weight:400;font-size:1rem;box-sizing:border-box}main{background-color:#b0b0b0;border-radius:1rem;width:100%;max-width:330px;padding:15px;margin:auto}a,a:hover,a:visited{color:#fff;margin:1rem}