.vertical a {
  color: black;
  background-color: #e6e6e6;
  text-decoration: none;
  font-weight: bold;
  text-align: center;
  padding: 5px;
  border: 1px outset #c0c0c0;
  display: block;

}
.vertical a:hover {
  color: #f9972c;
  background-color: #ffffff;
  border: 1px inset #c0c0c0;
}

a.bouton-relief {
  color: black;
  background-color: #F9E8C9;
  text-decoration: none;
  font-weight: bold;
  text-align: center;
  padding: 5px;
  border-style: outset;
  border-width: 1px;
  border-color: #F9E8C9;
}
a.bouton-relief:hover {
  background-color: #F9E8C9;
  border: 2px inset #F9E8C9;
}