Here's a list of themes that you can use to change the apperance of the image **pooped** out by `copper`.

* default
* agate
* androidstudio
* arduino-light
* arta
* ascetic
* atelier-cave-dark
* atelier-cave-light
* atelier-dune-dark
* atelier-dune-light
* atelier-estuary-dark
* atelier-estuary-light
* atelier-forest-dark
* atelier-forest-light
* atelier-heath-dark
* atelier-heath-light
* atelier-lakeside-dark
* atelier-lakeside-light
* atelier-plateau-dark
* atelier-plateau-light
* atelier-savanna-dark
* atelier-savanna-light
* atelier-seaside-dark
* atelier-seaside-light
* atelier-sulphurpool-dark
* atelier-sulphurpool-light
* atom-one-dark
* atom-one-light
* brown-paper
* codepen-embed
* color-brewer
* darcula
* dark
* darkula
* docco
* dracula
* far
* foundation
* github-gist
* github
* googlecode
* grayscale
* gruvbox-dark
* gruvbox-light
* hopscotch
* hybrid
* idea
* ir-black
* kimbie-dark
* kimbie-light
* magula
* mono-blue
* monokai-sublime
* monokai
* obsidian
* ocean
* paraiso-dark
* paraiso-light
* pojoaque
* purebasic
* qtcreator-dark
* qtcreator-light
* railscasts
* rainbow
* school-book
* solarized-dark
* solarized-light
* sunburst
* tomorrow-night-blue
* tomorrow-night-bright
* tomorrow-night-eighties
* tomorrow-night
* tomorrow
* vs
* xcode
* xt-256
* zenburn"