Exemple de code détaillé de la propriété css visibility.

.calque1{position:relative; left:0px; top:0px; width:300px; height:60px; z-index:1; visibility: visible}
<div id="Layer1" style="position:relative; left:0px; top:0px; width:300px; height:60px; z-index:1; background-color: #CC0000; visibility: visible">calque 1 visibility: visible</div>
.calque2{position:relative; left:100px; top:0px; width:300px; height:60px; z-index:10; visibility: hidden}
<div id="Layer2" style="position:relative; left:100px; top:0px; width:300px; height:60px; z-index:10; background-color: green; visibility: hidden">calque 2 visibility : hidden</div>
.identifiant{visibility: collapse}<table width="300px" border="1">
<tr>
<td>visibility: collapse</td>
<td>visibility: collapse</td>
</tr>
<tr>
<td>visibility: collapse</td>
<td style="visibility: collapse">visibility: collapse</td>
</tr>
<tr>
<td>visibility: collapse</td>
<td>visibility: collapse</td>
</tr>
</table>

Interprétation du code détaillé de la propriété css visibility par votre navigateur.

.calque1{position:relative; left:0px; top:0px; width:300px; height:60px; z-index:1; visibility: visible}

Interprétation normal du code de la propriété css visibility (copie d'écran).