html {
    background: #f5f5f5;
    font-family: -apple-system, "Helvetica Neue", "Lucida Grande";
    padding: 16px;
}

body.no-scroll {
    overflow: hidden;
}

a {
    text-decoration: none;
}

h1 {
    color: #444;
    font-size: 18px;
    font-weight: 500;
    text-align: center;
}