Visual colors, and visual messages.
Turns any div, section, article, p, a, span, strong, i or b into a loading object overriding and hiding all the css. All the JS components automatically removes the class 'loading' when are initialized
You can remove the loading class of any object on javascript calling the following FrontendTool:
FrontendTools.removeLoading(Target, classNamesToAdd, callback);
<div class="loading">
<h1>Content hidden</h1>
</div>