I want to keep the main text that pops up on the hover mask mode. What I want to get rid of is the browser generated ALT text that pops up in a little yellow box next to my mouse cursor when I hover over images. That part.
the yellow tip come from Title value of tag A, you need to modify line 420 of
xxxx/wp-content/themes/keyfolio/functions/pagebuilder/modules/portfolio.php , change as: