* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background-color: #121212;
    color: white;
    text-align: center;
    padding: 20px;
}

header {
    margin-bottom: 20px;
}

#video-player video,
#ad-section video {
    width: 80%;
    max-width: 800px;
    height: auto;
    border: 2px solid #f0db4f;
    border-radius: 10px;
}

.hidden {
    display: none;
}