#cadre_couvertures {
  text-align: center;
  border: 1px solid gray;
  width: 305px;
  padding: 10px;
}

.couverture{
text-align: center;
}

#colonne_pleine {
  width: 700px;
  padding-top: 5px;
  padding-left: 5px;
  float:left;
} 

#cadre_titre {
  width: 500px;
}

.floatleft {
  float: left;
}

.cadre_couverture_mini {
	width: 200px;
	height: 250px;
	float: left;
	margin-right: 10px;
	margin-bottom: 5px;
	border: 1px solid silver;
	text-align: center;
	
}