#videos {
	overflow: auto;
	top: 200px;
	left: 360px;
	position: fixed;
}

#lexiques {
	overflow: auto;
	top: 380px;
	left: 520px;
	position: fixed;
}

#articles {
	overflow: auto;
	top: 320px;
	left: 820px;
	position: fixed;
}

#photos {
	overflow: auto;
	top: 600px;
	left: 600px;
	position: fixed;
}

#sons {
	overflow: auto;
	top: 520px;
	left: 700px;
	position: fixed;
}