static/css/main.css

body {
    padding: 2rem;
    font-family: -apple-system, BlinkMacSystemFont, "Arial", sans-serif;
    overflow: auto;
}

.card {
    max-width: 620px;
    margin: 0 auto;
    padding: 16px;
    border: 1px solid lightgray;
    border-radius: 16px;
}

.card p {
    color: rgb(107, 114, 128);
    font-size: 15px;
    margin-bottom: 10px;
    margin-top: 5px;
}

.card h1 {
    font-size: 16px;
    margin-top: 0;
}

.card p:last-child {
    margin-bottom: 0;
}