body {
    margin-top: 8%;
    font-family: sans-serif;
    text-align: center;
    text-transform: uppercase;
    color: rgba(0, 0, 0, .6);
    background: linear-gradient(to right, green, red);
}

h1 {
    font: bold 3em sans-serif;
    color: rgba(0, 0, 0, .6);
    text-align: center;
    text-transform: uppercase;
    width: 100%;
}

h2 {
    font: bold 1.5em sans-serif;
}

code {
    font: bold 1.1em sans-serif;
    color: rgba(0, 0, 0, .6);
    text-align: center;
    text-transform: none;
    letter-spacing: 0.1em;
}

#centered {
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100vh;
}

#random {
    margin: 20px;
}