.button-retour {
  width: 40px;
  margin: 0 10px;
}
.button-return1,
.button-return2 {
  border-radius: 10px;
  border: 1px solid #000;
  margin-bottom: 10px;
  display: flex;
  width: 210px;
}
.button-return1 {
  margin-left: 10px;
  float: left;
}
.button-return2 {
  margin-right: 10px;
  float: right;
}
.button-return1:hover,
.button-return2:hover {
  background-color: #ff0;
  cursor: pointer;
  transform: scale(1.05);
}