Creating 500 gradient elements might not be a great idea. Still, fun enough!
See the Pen by aderaaij (@aderaaij) on CodePen.
screen loding
Foundation 6 Animated Background
Animating Background
CSS Only - Animated Profile Picture
Trianglify Optical Illusion
Facebook Loading Animation (Update17)
Animated background
Animated Background
Blue Animated Polygon Background
TV Static Noise Effect
Traveling through Tron - Best viewed in Webkit
Anime Background Speed Lines | Greensock
Animated background w/icon fonts
Animating background with "random()"
Animating Background Gradient
Animated background gradients
Cloudy animated background
CSS3 Animation - Background colour
Selectable text with animated backgrounds
Simple Scroller for Animated Backgrounds on Canvas - 44 Characters with ZIMjs
Animation Background color
Animated Background Gradient
Facebook-like loading state