So I’ve just finished the Random Quote Machine.
Here it is: Click here
Your pen doesn’t work on https. You’ll have to change your link to http, or use https://crossorigin.me to hack around it.
target="blank" to your tweet button. Codepen seems to disallow opening the url in the previewer.
I also couldn’t get your pen to work. The aesthetic is fantastic and the design is very intuitive with out relying on explicit written labels.