body, body.x-body {
    background-image: url(../images/background/GuamDay.jpg);
}

body.i-night, body.i-night.x-body {
    background-image: url(../images/background/GuamNight.jpg) !important;
}

.logo {
    background-image: url(../images/main/logo.png);
    /*background-size: contain;*/
    background-repeat: no-repeat;
}