<h1>About this demo</h1> <div class="callout"> <div class="content"> <p><strong>Look at me! </strong>I am a callout. Select me to bring up a context menu where you can change my background color. Or delete me. Also try adding callouts via the insert menu or by using the toolbar button.</p> </div> </div> <p>In this demo we use a callout block to demonstrate creating a custom <em>toolbar button</em>, a custom <em>menu item</em> and a custom <em>context toolbar</em>.</p> <p>Insert a callout by pressing the <strong>last toolbar button</strong> or through the <strong>Insert menu</strong>.</p>