Рястянуть background

gistfile1.txt

html body #page-pages-wrapper {
    background: url(../images/background/bg2.jpg) no-repeat center center;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
    height: 100%;
    width: 100%;
}



html{
 background: url(../images/grijswaarde1.jpg) no-repeat center center fixed;
 -webkit-background-size: cover;
 -moz-background-size: cover;
 -o-background-size: cover;
    background-size: cover;
}