In this snippet, you can see an animated glow that radiates from the border of the element. This looks like a great way to get the users attention to a specific element on the page. It was designed by George Hastings.
If you are having trouble with the pen, try the archived copy on GitHub
Glow from Borders Snippet
See the Pen Animated Back Glow by George Hastings (@georgehastings) on CodePen.0