body {
    color: #000;
    font-size: small;
    font-family: arial, verdana, tahoma, sans-serif;
    Background-color:black;
}
h1 {
    size: 130%;

    Text-align:center;
    Color:white;
}
h2 {
    size: 120%;
    border-bottom: 1px solid #888;
}

.youtube {
    position: absolute;
    margin: auto;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}