-meta-optional" title="Marks the field of a structure as optional.">@:optional</span><span class="label label-optional">optional</span><a href="#backgroundColor"><span class="identifier">backgroundColor</span></a>:<span class="type">Null</span>&lt;<a class="type" title="aeons.graphics.Color - Aeons typedef for the Kha Color class." href="../../aeons/graphics/Color.html">Color</a>&gt;</code></h3><div class="doc"><p>The color of the background around the text.</p></div></div><div class="field "><a name="ancho