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                <h1 class="gros souligne orange">Un titre de niveau 1</h1>
<p class="bleu">Un premier paragraphe</p>
<p>Un autre paragraphe avec un <a href="#">lien</a></p>
  <li>Elément de liste 1</li>
  <li class="souligne">Elément de liste 2</li>
<h2 class="gros italique bleu">Un titre de niveau 2</h2>


                /*On commence par définir des styles CSS qu'on lie a des sélecteurs de
 *class. On n'aura plus qu'à utiliser les attributs class correspondants
 *en HTML ensuite pour appliquer les styles liés à nos éléments*/
    font-size: 24px;
/*Texte en italique*/
    font-style: italic;
/*Crée un trait de soulignement sous le texte*/
    text-decoration: underline;
    color: orange;
    color: blue;

    color: green;