body    {
        height: 100%;
        background: url(../images/night_clouds.jpg) no-repeat center center fixed;
        /*background: -moz-linear-gradient(top, #a7cfdf 0%, #23538a 100%); */ /* FF3.6+ */
        /*background: -webkit-linear-gradient(top,  #1e5799 0%,#7db9e8 100%); */ /* Chrome10+,Safari5.1+ */
        -webkit-background-size: cover;
        -moz-background-size: cover;
        -o-background-size: cover;
        background-size: cover;
        font-family:    Trebuchet MS,tahoma, arial, verdana, helvetica;
        size:  14px;
        margin-left:    auto;
        margin-right:   auto;
}