html, body {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

#start-failure {
    margin: 0 auto;
    padding: 0 16px;
    max-width: 28rem;
    font: 16px/1.4 system-ui, sans-serif;
    color: #333;
}