body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}
header {
    background-color: #0078d7;
    color: white;
    padding: 20px;
    text-align: center;
    width: 100%;
}
.video-container {
    margin: 20px;
    background: white;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    overflow: hidden;
    max-width: 800px;
    width: 100%;
}
video {
    width: 100%;
    border-radius: 8px;
}
footer {
    background-color: #0078d7;
    color: white;
    padding: 10px;
    text-align: center;
    width: 100%;
    position: fixed;
    bottom: 0;
}