#presentation {
	background-image: url(images/presentation.png);
	height: 194px;
	width: 736px;
}
#creation {
	background-image: url(images/creation.png);
	height: 460px;
	width: 367px;
}
#competence {
	background-image: url(images/competence.png);
	height: 460px;
	width: 369px;
}