/* base structure */
html,
body {
    height: 100%;
    background-color: #fff;
}

body.contact {
    background: url(https://www.shastrax.com/images/big-boy-4021.png) no-repeat center center fixed;
    background-size: cover;
}

body.news {
    background: url(https://www.shastrax.com/images/big-boy-4004.png) no-repeat center center fixed;
    background-size: cover;
}

body.splash {
    background: url(https://www.shastrax.com/images/big-boy-4023.png) no-repeat center center fixed;
    background-size: cover;
}