I have a page that displays a map from the google map api. The map is inside a div with an id of #mapDiv. My stylesheet has a media query that sets display:none for #mapDiv if the screen is under ...

AFAIK, CSS cannot affect the DOM tree. So, display: none just says the element should not be displayed, not that it should cease to exist. Style/structure separation and all that.

How to Override CSS Inside DIV Classes. If you ever need to tweak the appearance of a page on your business website, you may have to modify Cascading Style Sheet code.

A transparent div can be created with or without content. When a div is made transparent with content, images and text are also made transparent along with the div. In case the div is made transparent ...