Modèle:Numérotation/styles.css

.num_pageheader {
	position:relative;
	clear:both;
	margin:0.2em auto;
	width:100%;
	text-indent:0;
	line-height:1.3;
	vertical-align:middle;
}
.num_pageheader > div:first-child {
	float:left;
	margin-right:0.5em;
	text-align:left;
	width:10%;
}
.num_pageheader > div:nth-child(2) {
	float:right;
	margin-left:0.5em;
	text-align:right;
	width:10%;
}
.num_pageheader > div:nth-child(3) {
	margin:0 auto;
	text-align:center;
	width:80%;
}
.num_pageheader > div:last-child {
	clear:both;
}