.credits-container {
    position: relative;
    margin: 0px;
    padding: 0px;
    background: rgba(0, 0, 0, 0.8);
    overflow: hidden;
    width: 100vw;
    height: 100vh;
    box-sizing: border-box;
}

.credits-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    position: absolute;
    bottom: -100%;
    width: 100%;
    animation: scrollUp 30s linear infinite;
}

.column {
    flex: 1 1 300px;
    margin: 1em;
    min-width: 280px;
    text-align: center;
}

h2, h3 {
    margin: 0.5em 0;
    color: #fff;
}

.button {
    display: inline-block;
    margin-top: 2em;
    padding: 0.5em 1em;
    background-color: #444;
    color: #fff;
    text-decoration: none;
    border-radius: 4px;
}

.button:hover {
    background-color: #666;
}

.credits-back-button {
    position: fixed;
    top: 2rem;
    left: 2rem;
}

@keyframes scrollUp {
    from {
        bottom: -100%;
    }
    to {
        bottom: 100%;
    }
}

@media (max-width: 600px) {
    .credits-container {
        margin: 1em auto;
        padding: 1em;
    }

    .column {
        margin: 0.5em 0;
    }
}