Add a short CSS class to an HTML Web page to use animated and stationary GIF images as the page's background. Open an HTML document and find the document's head section.

Cascading Style Sheets (CSS) level 3, also known as CSS3, ... Set the position of each background in the same order as they appear in the "background-image" URL list.

John Mueller said on Twitter "last I checked, we don't use CSS background images for image search." John said this also back in January 2018 when he said Google Image search does not index and ...

Google's John Mueller said this morning in a webmaster hangout at the 20:55 mark that Google Image search does not index and rank images from CSS background code. He said if you want your images ...