body, html {
    margin: 0;
    padding: 0;
    background-color: #fff;
    font-family: Arial, sans-serif;
    overflow: hidden;
    height: 100vh;
    display: flex;
    flex-direction: column;
}

.links-header {
    padding: 20px 0;
    display: flex;
    justify-content: center;
    width: 80%;
}

.link-row {
    margin: 30px 30px;
    font-size: 16px;
    text-align: center;
}

.link-row a {
    color: #0000FF;
    text-decoration: none;
}

.link-row a:hover {
    text-decoration: underline;
}

.video-container {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    width: 100%;
    margin-top: 20px; /* Give some space between the header and video */
}

.video-container video {
    width: auto;
    max-width: 100%;
    height: auto;
    max-height: 85%; /* Adjust for better fit */
    object-fit: contain;
}

.sound-toggle {
    position: absolute;
    bottom: 15%;
    right: 10%;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    background-color: red;
    z-index: 1000;
}

@media (min-width: 768px) {
    .links-header {
        justify-content: center;
        align-items: center;
    }

    .video-container {
        justify-content: center;
        align-items: center;
    }

    .sound-toggle {
        bottom: 20px;
        right: 20px;
    }
}