.page { 
  width:380px;
  margin:auto;  
}
.content { 
  width:250px;
  margin:auto;  
}
.sep {
  clear:both;
  height:10px;
  background:url('/expressions_etudes/images/ergonomie/points_horizontaux.gif') center center repeat-x;
}
.block {
  clear:both;   
}
.block_left {
  float : left; 
}
.block_center {
  text-align:center;  
}
.block_label {
  float : left;
  width : 80px;
  text-align:right;  
}
.block_inter {
  float : left;
  width : 20px;  
}
.block_input {
  float : left;
  width : 120px; 
}
.bouton {
  border : 0px;
  width:50px;
  height:50px;
  background:url('/expressions_etudes/admin/images/divers/bouton.gif') center center no-repeat;
}
.bouton:hover {
  border : 0px;
  width:50px;
  height:50px;
  cursor:pointer;
  background:url('/expressions_etudes/admin/images/divers/bouton-over.gif') center center no-repeat;
}