html, body {
    height: 100%;
    margin: 0;
    display: flex;
    flex-direction: column;
    color: white;
    transition: background 0.3s ease;
}

html {
    overflow-y: scroll;
}

body.bg-hero {
    background: url('static/img/ISG.jpeg') no-repeat center center fixed;
    background-size: cover;
}

.navbar {
    background-color: rgba(0, 0, 0, 0.75);
}

.content-container {
    flex: 1;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 56px;
    width: 100%;
    }

    .content-container.home {
    align-items: center;         /* Vertically center */
    padding-top: 0;              /* Remove navbar gap (already centered) */
    }

.content-box {
    background-color: rgba(0, 0, 0, 0.6);
    padding: 2rem;
    border-radius: 0.5rem;
    max-width: 800px;
    width: 90%;
    text-align: center;
}

footer {
    text-align: center;
    padding: 1rem;
    background-color: rgba(0, 0, 0, 0.75);
}

.frontpage-imgs {
    height: 320px;
    max-height: 320px;
}

.hoofden {
    height: 320px;
}