body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    top: 0;
    align-items: center;
    scroll-behavior: smooth;
    background: black;
}

h1 {
    text-align: center;
    color: #ffffff;
    font-size: 4em;
    z-index: 5555;
}

.render, #render {
    position: fixed;
    top: 0; left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
    pointer-events: auto;
    display: flex;
    justify-content: center;
    align-items: center;
}

.content {
    position: relative;
    z-index: 1;
    min-height: 200vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding-top: 5vh;
}

#description {
    margin-left: 20vw;
    margin-right: 20vw;
    font-size: 2rem;
    color: #ffffff;
    text-align: left;
    max-width: 60vw;
    background: rgba(0, 0, 0, 0.486);
    border-radius: 20px;
    padding: 2em;
    margin-top: 100vh;
    height: auto;
}

#description p {
    margin: 0;
    padding: 0;
    line-height: 1.5;
    color: #ffffff;
    text-align: left;
}

#altro {
    margin-top: 50vh;
    font-size: 1.5rem;
    color: #ffffff;
    text-align: center;
}

/* --- Responsive --- */
@media (max-width: 1200px) {
    #description {
        margin-left: 10vw;
        margin-right: 10vw;
        max-width: 80vw;
        font-size: 1.5rem;
        padding: 1.5em;
    }
}

@media (max-width: 800px) {
    h1 {
        font-size: 2.5em;
    }
    #description {
        margin-left: 4vw;
        margin-right: 4vw;
        max-width: 92vw;
        font-size: 1.1rem;
        padding: 1em;
    }
    #altro {
        font-size: 1.1rem;
    }
}

@media (max-width: 500px) {
    h1 {
        font-size: 1.5em;
    }
    #description {
        margin-left: 2vw;
        margin-right: 2vw;
        max-width: 96vw;
        font-size: 1rem;
        padding: 0.7em;
        margin-top: 60vh;
    }
    .content {
        padding-top: 2vh;
    }
    #altro {
        margin-top: 20vh;
        font-size: 1rem;
    }
}