#btn_contact {
  background: url(../images/en_GB/btn_contact.gif) no-repeat;
}

#btn_acheter {
  background: url(../images/en_GB/btn_acheter.gif) no-repeat;
 }

#btn_engagements {
  background: url(../images/en_GB/btn_engagements.gif) no-repeat;
}

#btn_decouvrez {
  background: url(../images/en_GB/btn_decouvrez.gif) no-repeat;
}

#bandeau {
  background: url(../images/en_GB/bandeau_bkg.jpg) no-repeat;
}