html{
margin:0px;
padding:0px;
width:100%;
height:100%;
}

body{
float:left;
margin:0px;
padding:0px;
width:100%;
height:100%;
}

.centrer{
float:left;
margin:0px;
padding:0px;
width:100%;
height:100%;
}

.cont{
float:left;
margin:0px;
padding:0px;
width:100%;
height:100%;
}

.obj{
float:left;
margin:0px;
padding:0px;
width:100%;
height:100%;
}