@media only screen and (max-width: 600px) {
  .entete img {
  display: block;
  padding-top: 40%;
  width: 90%;
  padding-left: 30%;
  opacity: 0.7;
}
}

@media only screen and (min-width: 768px) {
  .entete img {
  display: block;
  width: 60%;
  padding-top: 10%;
  margin: auto;
  opacity: 0.7;}
}


.entete img {
  width: 40%;
  padding-top: 3%;
  padding-left: 30%;
  opacity: 0.7;
}