Untitled

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>:target</title>
<style id="jsbin-css">
/*
Cibler l'unique élément (s'il existe) dont l'attribut id correspond au fragment d'identifiant de l'URI du document
*/

#toggle {
  display: none;
}

#toggle:target {
  display: block;
}

#toggle:target + .close {
  display: block;
}

.close {
  display: none;
}
</style>
</head>
<body>
<a href="#toggle">Show</a>
<p id="toggle">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Suspendisse in lectus nec orci vestibulum suscipit quis sodales tortor. Maecenas vitae hendrerit orci, eu faucibus libero.</p>

<a href="#" class="close">Close</span>


<script id="jsbin-source-css" type="text/css">/*
Cibler l'unique élément (s'il existe) dont l'attribut id correspond au fragment d'identifiant de l'URI du document
*/

#toggle {
  display: none;
}

#toggle:target {
  display: block;
}

#toggle:target + .close {
  display: block;
}

.close {
  display: none;
}</script>
</body>
</html>