body{background-color:#000;color:#fff;font-size:20px}input{text-decoration:none;width:100%;padding:12px 20px;margin:8px 0;box-sizing:border-box;border:3px solid gray}#submit{background-color:#f06666;font-size:24px;width:50%}#main{margin:auto;width:50%;border:3px solid gray;padding:10px}