#header_menu {
  /*position: absolute;*/
  position: fixed;
  z-index: 100;
  background-color: rgb(255, 255, 255);
  top: 1vh;
  left: 1vw;
}

#header_print,
#header_recherche {
  position: fixed;
  z-index: 101;
  top: 1vh;
  right: 1vw;
  border: 1px solid rgb(28, 28, 28);
  padding: 0;
}

#header_retour, #reload{
  position: fixed;
  z-index: 101;
  top: 1vh;
  right: 1vw; 
  padding: 0;
}
/*#button_menu {height: 2px; width:2px;}*/

#button_menu>ul,
li {
  margin: 0;
  padding: 0;
  list-style: none;
}

.menu_class {
  margin-top: -0vh;
  margin-bottom: -0.4vh;
  border: 1px solid rgb(0, 0, 0);
}

.the_menu {
  display: none;
  width: 50vw;
  border: 1px solid rgb(28, 28, 28);
}

.the_menu li {
  background-color: rgb(204, 204, 204);
}

.the_menu li a {
  color: #000000;
  text-decoration: none;
  padding: 10px;
  display: block;
}

.the_menu li a:hover {
  padding: 10px;
  font-weight: bold;
  color: rgb(255, 204, 0);
  background: rgb(85, 85, 85)
}