html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}

a {
    display: block;
    width: 100%;
    height: 100%;  /* This makes the anchor tag cover the entire viewport */
    text-decoration: none;
    color: inherit;
}

h1 {
    margin: 0; /* Remove default margin from h1 */
}

img {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}