body {
    background-color: black;
    color: red;
    text-align: center;
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}

h1, h3 {
    color: red;
}

video {
    display: block;
    margin: 20px auto;
    border: 5px solid red;
    border-radius: 10px;
}

audio {
    display: block;
    margin: 20px auto;
}