See the Code - See it Full Page - See Details
I've done previous Pacman style things with SVG and dashstroke animations... decided to just throw a bunch of stuff at it to come to the same simple animation. 360 yellow strips rotated around to fill a circle, and then 45 of them animating for the top of the mouth, and 45 for the bottom of the mouth.
This Pen uses: Pug, CSS, JavaScript, and