body  {
	margin: 0;
}

#parent {

}

#noir {
	background-color: black;
	position: absolute;
	width: 33.33%;
	height: 100%;
	text-align: center;
	float: left;
}

#jaune {
	background-color: yellow;
	position: absolute;
	width: 33.33%;
	height: 100%;
	text-align: center;
	float: left;
	margin-left: 33.33%;
}

#rouge {
	background-color: red;
	position: absolute;
	width: 33.33%;
	height: 100%;
	text-align: center;
	float: left;
	margin-left: 66.66%;
}