.ancre{display:none}
.stages a {
  display: block;
  cursor: pointer;
  text-align: center;
  margin: 0.5rem;
  padding: 0.5rem;
  background-color: navy;
  text-decoration:none;
  color: #fff;
}
.stages a:hover {
  background-color: lightskyblue;
  color: #000;
}
.wrapper .bloc {
  display: none;
  padding: 0.5rem;
}
.wrapper :target + div{
  display:block;
}
table {
  width: auto;
  margin-left:10px;
  margin-right:10px;
  border-collapse: collapse;	
  font-size: 16px;
  border: 3px lightgrey;
  background-color: aliceblue;
}

td {
  padding: 8px;
  text-align: left;
  vertical-align: top;
}
ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
}
@media (max-width: 600px) {
  table {font-size: 20px;}
  th,td {padding: 8px;}
}