* {
    text-decoration: none;
    text-align: center;
}

.video-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
}

h1 {
    color: white;
}

pre {
    color: white;
}

#bh {
    background-color: yellow;
}

pre {
    background: rgba(255, 255, 255, 0.5);
    color: rgb(0, 0, 0);
    padding: 20px;
    display: inline-block;
    font-size: 18px;
    font-family: 'Times New Roman', Times, serif;
}

h1 {
    background: rgba(0, 0, 0, 0.5);
    color: white;
    padding: 20px;
    display: inline-block;
    font-size: 25px;
    font-family: Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
}

img {
    width: 100px;
    height: 100px;
    border: 5px solid black;
    border-radius: 100%;
}