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CSS

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HTML

              
                <h1>Infobulles accessibles en CSS</h1>

<p>Lorem Elsass ipsum réchime amet non Choucroute Coopé knack tchao bissame hopla</p>

<div class="pictos">
  <a class="picto-item" href="#" aria-label="favoris">★</a>
  <a class="picto-item" href="#" aria-label="the cloud">☁</a>
  <a class="picto-item" href="#" aria-label="navigation super cool">≡</a>
</div>

<p>Wotch a kofee avec ton bibalaekaess et ta wurscht ? Yeuh non che suis au réchime, je ne mange plus que des Grumbeere light et che fais de la chym avec Chulien. Tiens, un Picon sur le comptoir.</p>
              
            
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CSS

              
                .picto-item {
  position: relative;  /*les .picto-item deviennent référents*/
  cursor: help;
  border-radius: 50%;
}

/* on génère un élément :after lors du survol et du focus :*/

.picto-item:hover:after,
.picto-item:focus:after {
  content: attr(aria-label);  /* on affiche aria-label */
  position: absolute;
  top: -2.4em;
  left: 50%;
	transform: translateX(-50%); /* on centre horizontalement  */
  z-index: 1; /* pour s'afficher au dessus des éléments en position relative */
  white-space: nowrap;  /* on interdit le retour à la ligne*/
  padding: 5px 14px;
  background: #413219;
  color: #fff;
  border-radius: 4px;
  font-size: 1.2rem;
}

/* on génère un second élément en :before pour la flèche */

[aria-label]:hover:before,
[aria-label]:focus:before {
  content: "▼";
  position: absolute;
  top: -1em;
	left: 50%;
	transform: translateX(-50%); /* on centre horizontalement  */
  font-size: 20px;
  color: #413219;
}

/* pas de contour durant le :focus */
[aria-label]:focus {
  outline: none;
}



/* déco */ 

body {
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem;
  background: #F1EFE2;
  font-size: 1.4em;
  line-height: 1.4;
  font-family: georgia, sans-serif;
}
h1 {
  margin-top: 20px;
  margin-bottom: 40px;
  color: #789;
  text-align: center;
  text-shadow: 1px 1px #fff;
}
p, .pictos {
  text-align: center;
}

.picto-item {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  margin: 0 .2em;
  width: 1.2em;
  height: 1.2em;
  color: #413219;
  background: #e1d3bd;
  font-size: 3rem;
  text-align: center;
  text-decoration: none;
}
              
            
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JS

              
                
              
            
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