data/repos/clack-errors/static/style-prod.css

header {
    font-family: "Helvetica Neue",Helvetica,Arial,sans-serif;
    color: #333;
    width: 40%;
    margin: 0 auto;
    text-align: center;
    border: 3px solid #b94a48; /* Thanks Bootstrap */
    font-weight: bold;
}