root { 
    display: block;
}

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

}

img.logo{

    position: absolute;
    margin: auto;
    left: 0; 
    right: 0;
    top: 0;
    bottom: 0;  
}

img.coming_soon{

  position: absolute;
    margin: auto;
    left: 0; 
    right: 0;
    bottom: 0;
    width: 250px;
}