4. Select tab "Box"
Width - you can set the box's width as a specified number of pixels, point or %.
Margin - allows you to change values of margin in pixels.
Padding - you have four directions to add padding in a top, right, bottom, and left.
Border - you can change border width type and color.
Height - you can set the box's height as a specified number of pixels, point or %.
Border Radius - you can set element border radius.
Float - align the element on the page; includes left, right, inherit, initial and none tabs.
Display - there are different ways to display element on mobile screens such as inline-block, block, inline, flex and None.
In case of if you want to hide element when displaying on mobile phones screen you need to select None tab, how it showed in the picture:
