1body {
2
3 background-image: url("img_tree.gif");
4
5 background-repeat: no-repeat;
6 background-attachment: fixed;
7
8 background-position: top center;
9 background-size: contain;
10
11 }
1html {
2 background: url(image.jpg) no-repeat center center fixed;
3 -webkit-background-size: cover;
4 -moz-background-size: cover;
5 -o-background-size: cover;
6 background-size: cover;
7}