media.css

body:after {
	content: "Media: wtf, dude?";
	display: block;
	position: fixed;
	bottom: 0;
	left: 0;
	background: #666;
	color: #fff;
	z-index: 999;
	padding: 5px 20px;
}

/* Smartphones (portrait and landscape) ----------- */
@media only screen 
and (min-device-width : 320px) 
and (max-device-width : 480px) {
	body:after {
		content: "Media: Smartphone";
	}
}

/* Smartphones (landscape) ----------- */
@media only screen 
and (min-width : 321px) {
	body:after {
		content: "Media: Smartphone Landscape";
	}
}

/* Smartphones (portrait) ----------- */
@media only screen 
and (max-width : 320px) {
	body:after {
		content: "Media: Smartphone Portrait";
	}
}

/* Pads (portrait and landscape) ----------- */
@media only screen 
and (min-device-width : 768px) 
and (max-device-width : 1024px) {
	body:after {
		content: "Media: Pad";
	}
}

/* Pads (landscape) ----------- */
@media only screen 
and (min-device-width : 768px) 
and (max-device-width : 1024px) 
and (orientation : landscape) {
	body:after {
		content: "Media: Pad Landscape";
	}
}

/* Pads (portrait) ----------- */
@media only screen 
and (min-device-width : 768px) 
and (max-device-width : 1024px) 
and (orientation : portrait) {
	body:after {
		content: "Media: iPad Portrait";
	}
}

/* Desktops and laptops ----------- */
@media only screen 
and (min-width : 1224px) {
	body:after {
		content: "Media: Desktop/Laptop";
	}
}

/* Large screens ----------- */
@media only screen 
and (min-width : 1824px) {
	body:after {
		content: "Media: Large Screen";
	}
}