.Box1 {
width: 558px;
height: 27px;
float: left;
margin: 11px 0px 0px 0px;
display: inline;
}

.Box2 {
width: 558px;
height: 104px;
background-image: url(Upload/images/Gabarits/IntroPage_Header.gif);
background-repeat: no-repeat;
float: left;
margin: 17px 0px 31px 0px;
display: inline;
}

.Box3 {
width: 176px;
height: 214px;
background-image: url(Upload/images/Gabarits/IntroPage_Bloc.gif);
background-repeat: repeat-x;
background-position: left bottom;
margin: 0px 0px 0px 0px;
float: left;
display: inline;
}

.Box4 {
width: 176px;
height: 214px;
background-image: url(Upload/images/Gabarits/IntroPage_Bloc.gif);
background-repeat: repeat-x;
background-position: left bottom;
margin: 0px 0px 0px 15px;
float: left;
display: inline;
}

.Box5 {
width: 176px;
height: 214px;
background-image: url(Upload/images/Gabarits/IntroPage_Bloc.gif);
background-repeat: repeat-x;
background-position: left bottom;
margin: 0px 0px 0px 15px;
float: left;
display: inline;
}