The forums ran from 2008-2020 and are now closed and viewable here as an archive.
Just a heads up: this is near impossible to read: http://cl.ly/image/2H0K0a3q2B2q
Right now there is a console error, so I’m unable to really test out the slider: Uncaught SyntaxError: Unexpected token += slider.js:25
Uncaught SyntaxError: Unexpected token += slider.js:25
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.