ic-add-class- The Add Class Attribute
ic-add-class attribute allows you to add classes to an element after a specified delay.
The value of the attribute can be either a valid CSS class name, a valid CSS class name followed by a colon followed by a time delay, or a comma separated list of either of these.
ic-add-class attribute has no effect on dependencies.
Here is a simple example, which adds a 'fadeRed' class after 2 seconds and takes 10 seconds to complete the transition.
<h3 ic-add-class="fadeRed">This Will Fade Red</h3>