.containerContact {
  margin: 20px auto;
  display: block;
  width: 95%;
  text-align: center;
}

.containerEnveloppe {
  margin: 30px auto;
  display: block;
  width: 100px;
  height: 48px;
}

.imageEnveloppe {
  width: 100%;
  height: 100%;
}

/* XXXXXXXXXX MEDIAS XXXXXXXXXXXX */
/* XXXX A5 portrait XXXX */
@media only screen and (max-width : 768px) and (orientation : portrait) {
  
  .containerContact {
    margin: 10px auto;
  font-size: 90%;
  }

  .containerEnveloppe {
    margin: 10px auto;
    width: 75px;
    height: 36px;
  }
}


/* XXXX A5 paysage XXXX */
@media only screen and (max-width : 1024px) and (orientation : landscape) {

  .containerContact {
    margin: 10px auto;
    font-size: 90%;
  }

  .containerEnveloppe {
    margin: 20px auto;
    width: 75px;
    height: 36px;
  }
}

/* XXXX Tablette portrait XXXX */
@media only screen  and (min-width : 769px) and (max-width : 834px) and (orientation : portrait) {


}



/* XXXX Tablette paysage XXXX */
@media only screen  and (min-width : 1025px) and (max-width : 1112px) and (orientation : landscape) {


}