#div-center-presentation {
    width: 100%;
}

.div-center-presentation-visite {
    width: 100%;
    height: 0;
    padding-top: 29%;
    margin-top: 30px;
    background-size: 100%;
    background-repeat: no-repeat;
    background-color: #262626;
    border: none;

}

#div-center-presentation-visite-1 {
    background-image: url("../images/example/p2title.png");
}




.div-center-presentation-visite-ax p {
    font-size: 14px;
    color: white;
}

.div-center-presentation-visite-ax-1 {
    margin: 10px;
    text-align: center;
}


.div-center-presentation-visite-ay-1 {
    margin: auto;
    text-align: center;
    color: white;
}

.button-ay-1 {
  -webkit-border-radius: 14;
  -moz-border-radius: 14;
  border-radius: 14px;
  font-family: Arial;
  color: #ffffff;
  font-size: 20px;
  background: #F37E17;
  padding: 10px 20px 10px 20px;
  text-decoration: none;
  border: 1px solid white;
  cursor: pointer;
}

.button-ay-1:hover {
  background: #F37E17;
  background-image: -webkit-linear-gradient(top, #F37E17, #E37116);
  background-image: -moz-linear-gradient(top, #F37E17, #E37116);
  background-image: -ms-linear-gradient(top, #F37E17, #E37116);
  background-image: -o-linear-gradient(top, #F37E17, #E37116);
  background-image: linear-gradient(to bottom, #F37E17, #E37116);
  text-decoration: none;
}


.colonne1b {
  float: left;
    width: 28%;
  height: 170px;
  margin-left: 3%;
    height: 50px;
      border-radius: 20px;
  margin-top: 3%;
  font-family: bonnie;
  font-size: 30px;
  margin-bottom: -20px;

}

.colonne2b {
  float: right;
  margin-right: 4%;
    width: 28%;
  height: 170px;
  margin-left: 3%;
    height: 50px;
      border-radius: 20px;
  margin-top: 3%;
  font-family: bonnie;
  font-size: 30px;
  margin-bottom: -20px;
  
}

.colonne3b {
  float: none;
  overflow: hidden;
  padding-left: 5%;
    width: 28%;
  height: 170px;
  margin-left: 3%;
    height: 50px;
      border-radius: 20px;
  margin-top: 3%;
  font-family: bonnie;
  font-size: 30px;
  margin-bottom: -20px;
}

.colonne1 {
  float: left;
    width: 28%;
  height: 190px;
  margin-left: 3%;

}

.colonne2 {
  float: right;
  margin-right: 4%;
    width: 28%;
  height: 190px;
  margin-left: 3%;
  
}

.colonne3 {
  float: none;
  overflow: hidden;
  padding-left: 5%;
    width: 28%;
  height: 190px;
  margin-left: 3%;
}