.coco {
  
 padding : 0px;
  margin : 0px;

}
 

.exo{
 
margin-bottom:40px;
}	 

#rightcolumn{

width:650px;
border: 2px solid black;  
position: relative;
float: left;
margin-top: 10px;
padding: 10px;

}	

.bol {

margin-top:8px;
}
  
.pp
{

 margin-top:5px;	 
 padding-top:2px;
 margin-bottom : 5px;
}