body {      
    background-image: url('/i/LION-HEAD-dark.jpg');   
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-size: cover;
    background-position: center;
    color: black;
    display: block;
    margin-left: auto;
    margin-right: auto;
    width: 50%;
    height: 100%;
}