nightingale-media-player/nightingale-website — comment on commit 6e2ae6db2fe3eae212691d4b69900fb8756070a9
File:  line 0
By ilikenwf:

Just so you all know, we keep all images and assets on static.getnightingale.com - it is setup to force headers to cache everything for a long time unless it changes...

So...perhaps you could restructure this repo with your css and images all on the static subdomain...