Adaptive Grid: all css fluid grid layout demo.

You can match the classis to fill the space like so:

or use multiple istances of the same class:

or combine different classes:

You can also add the empty class to a div to get the css visibility : hidden property effect.

NOTE: resize your screen (width < 700px ) to trigger media queries and see the empty class magically disappear.

It works even with encapsulation: