body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

header {
    background: #35424a;
    color: #ffffff;
    padding: 20px 0;
    text-align: center;
}

nav ul {
    padding: 0;
    list-style: none;
}

nav ul li {
    display: inline;
    margin: 0 15px;
}

nav ul li a {
    color: #ffffff;
    text-decoration: none;
}

h1 {
    margin: 0;
}

main {
    padding: 20px;
}

section {
    background: #ffffff;
    border: 1px solid #dddddd;
    border-radius: 5px;
    margin-bottom: 20px;
    padding: 20px;
}

.video-container {
    text-align: center;
}

.video-credit {
    font-size: 0.9em;
    margin-top: 5px;
}

footer {
    background: #35424a;
    color: #ffffff;
    text-align: center;
    padding: 10px 0;
    position: relative;
    bottom: 0;
    width: 100%;
}

.disclaimer {
    font-size: 0.8em;
}