body {
    background: url("https://static.activecarrot.net/images/710/home1.jpg") no-repeat center center fixed; 
-webkit-background-size: cover;
-moz-background-size: cover;
-o-background-size: cover;
background-size: cover;
}

#logo {
height: 137px;
    width: 192px;
    background: url(https://secure.activecarrot.com/media/dynamic/configuration_images/1461278358_710.png);
}