CodePen

HTML

            
               <div id="afui"> 
            <div id="header">
                    <h1>App Framework Panels</h1>
            </div>
            <div id="content">
                <div id="home" class="panel" selected="true">
                    <h3>home</h3>
                    <p>Home panel
                    </p>
                </div>
                <div id="sketch" class="panel">
                     <h3>Sketch Pad</h3>
                     <p>Sketch Pad panel
                    </p>
                </div>
                 <div id="picture" class="panel">
                     <h3>Pictures</h3>
                     <p>Pictures panel
                    </p>
                </div>
            </div>
 </div>
            
          
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