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

.Box2 {
  width: 558px;
  margin: 17px 0px 14px 0px;
  float: left;
  display: inline;
}

.Box3 {
width: 176px;
height: 256px;
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: 256px;
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: 256px;
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;
}