Progress Bars with Patterns GIF
This particular snippet by Luca Gesmundo has got various SVG patterns to fill the progress bar which looks really cool. This will look great on modern colourful websites. If you need to get more background patterns, head over to All The Free Stock there is a patterns section under free stock photos.
If you are having trouble with the pen, try the archived copy on GitHub
Pattern Fill Progress Bars Snippet
See the Pen Bars by Lucagez (@lucagez) on CodePen.0