*{box-sizing:border-box}body{margin:0;background:#f7f7f5;color:#20201e;font:16px/1.5 Arial,sans-serif}main{max-width:430px;margin:8vh auto;padding:24px}h1,h2,button{font-family:Courier,monospace}h1{font-size:36px;margin-bottom:0}label{display:block;margin:20px 0}input{display:block;width:100%;padding:12px;font-size:16px;border:1px solid #888;background:#fff;border-radius:0}button{min-height:44px;padding:12px;border:1px solid #222;background:#222;color:#fff;cursor:pointer}button:disabled{opacity:.6}a{color:inherit}#logout{background:transparent;color:#222}#message{min-height:24px}