Did you love the text animation in the ending credits to the movie 10 Cloverfield Lane? You can check it out here. Abbey McTaggart has recreated hat effect in CSS.
If you are having trouble with the pen, try the archived copy on GitHub
10 Cloverfield Lane Text Effect Snippet
See the Pen Credits – 10 Cloverfield Lane by Abbey McTaggart (@amctagg1) on CodePen.0