hide

<div layout="hide-under:400px hide-over:800px">...</div>

There are two hide utilities:

• hide-over: hides an element when the screen width exceeds a specified value.
• hide-under: hides an element when the screen width is below a specified value.

The value should be in pixels (px).

Try to resize the screen to observe the element being hidden :

Try to resize the screen to see the element appear :