body {
    background-color: #fff;
    color: #222;
    font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    margin: 0
}

.container {
    margin: 30px;
    max-width: 600px
}

h1 {
    color: #dc3545;
    font-size: 24px
}

h2 {
    font-size: 18px
}