body {
	background: #bccf3b;
}

@media only screen and (min-width: 480px) {
body {
	background: #bccf3b url('http://tourisme-mehun.com/local/cache-vignettes/L800xH534/rubon5-87ffb.jpg') fixed center top;
}
}
@media only screen and (min-width: 768px) {
body {
	background: #bccf3b url('http://tourisme-mehun.com/local/cache-vignettes/L1469xH979/rubon5-4ee8f.jpg') fixed center top;
}
}
@media only screen and (min-width: 1240px) {
body {
	background: #bccf3b url('http://tourisme-mehun.com/IMG/rubon5.jpg?1407844427') fixed center top;
}
}