.cadre_4col { 
	width:626px; 
	height:auto; 
	float:left; 
}
.col1_4col, .col2_4col, .col3_4col, .col4_4col { 
	width:144px; 
	float:left;
}
.col2_4col, .col3_4col, .col4_4col  { 
	margin-left:16px; 
}