#menu_button {
  position: absolute;
  left: 10px;
  top: 10px;
  width: 40px;
  cursor : pointer;
}
#menu_button:hover path {
  fill:#666666;
}

#interface {
  position: absolute;
  left: 10px;
  top: 60px;
  z-index:1000;
  background-color:#fff;
  padding: 10px;
  border: 3px solid #666;
  border-radius: 8px;
  display: none;
}
#interface.active {
  display : block;
}

.interface-bouton {
  display: inline-block;
  width: 30px;
  height: 30px;
  cursor: pointer;
  border-radius: 50%;
  border: 2px solid #ffffff;

}
.interface-bouton:not(:last-child) {
  margin-right: 10px;
}
.interface-bouton.active {
  border-color : #666666;
}

#bouton_1 {
  background-color: #eeeeee;
}
#bouton_2 {
  background-color: rgb(243, 225, 199);
}
#bouton_3 {
  background-color: #424146;
}
#bouton_4 {
  background-color: #646368;
}