body, html {
    height: 100%;
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    background: black;
    background-attachment: fixed;
    font-family: 'Sono', monospace;
}

main {
    text-align: center;
}

h1 {
    font-size: 6rem;
    font-weight: 700;
    background: linear-gradient(to right, #000, #fff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

#subtitle {
    font-size: 1.5rem;
    opacity: 0;
    transition: opacity 2s ease-in-out;
    color: #fff;
}