html { 
  background: url('a.stormy.sea') no-repeat center center fixed; 
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
}

body {
    margin: 0;
    color: rgb(255,255,255);        /* white */
}

div {
    width: 100%;
    position: relative;
    background-color: rgb(0,0,0);   /* black */
}

span {
    display: block;
    padding: .5em 10% .5em 10%;
}

a {
    text-decoration: none;
    color: inherit;
}