#colonne_blanche {
		width: 47%;
		_width: 45%
}
#colonne_droite {
		width: 47%;
		_width: 45%
}
#colonnes h1 {
	font-family: Arial Black;
	font-weight: normal;
	font-size: 13px; 
	margin-bottom: 6px;
	/*margin-left: 20px;*/
}