experiment A. html + css → Using a large number of transparently "="s to fill the screen, overlayed other position:absolute; divs on top with a hover trigger to rotate.
→ see for yourself
experiment B. html + css → Using a large number of transparently "="s to fill the screen, then hand-picked which "="s to add a < span > tag to in order to color and create a letter A and B. CSS animated the div width from 100% to 40% back to 100%.
→ see for yourself