body {background: #004; color: #ff0; background-image: url(cielnuit.jpg); background-attachment: fixed}
h1, h2, h3, h4, h5 {color: #f80; text-align: center; background: transparent}
a:link {color: #08f; background: transparent}
a:visited {color: #f0f; background: transparent}
a:active {color: #f00; background: #ff0}