Assertion: bootstrap's cs | /r/CapableOf | use width
Facets:
Source sentences:
text: This is why the above CSS uses width: 1px; height: 1px; .
text: The above CSS using width: 1px; height: 1px; is not all you do to make the content invisible to desktop and mobile browsers (without overflow: hidden , your content would still show on the screen), and visible to screen readers.