The forums ran from 2008-2020 and are now closed and viewable here as an archive.
Home › Forums › CSS › ‘font:12px/30px’ not working › Re: ‘font:12px/30px’ not working
Yep, he’s correct. http://codepen.io/chrisburton/pen/pCozL
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.