i dont know whats its called and how to do it and i dont know if its html or css, but hopefully someone cna give me an idea.
its a box with a header text (title) then 4 buttons (namely 1,2,3,4) and some more text (descriptions). if you click/hover on the buttons, the texts (description) below it changes.
ive seen this on a site but cant remember where. cna anyone help me do it? thanks