The forums ran from 2008-2020 and are now closed and viewable here as an archive.
Home › Forums › CSS › Expandable content box › Re: Expandable content box
Yep I think Brad is right! Searching the markup for "rightBottom" doesn’t find anything.
Frontend Masters is the best place to get it. They have courses on all the most important front-end technologies, from React to CSS, from Vue to D3, and beyond with Node.js and Full Stack.