body { font-family: verdana, sans-serif; text-align: center; }
.msg { margin: 2rem; text-align: center; }
.error { color: #800; }

.button {
    background-color: #eee;
    border: 1px solid #888;
    border-radius: 0.25em;
    color: #000;
    display: inline-block;
    margin-top: 8rem;
    padding: 2rem;
    text-decoration: none;
}