Examine source code of Greenwaves

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#58824b",
      "tab_background_text": "#0b5200"
    }
  },
  "version": "2.0",
  "name": "Greenwaves",
  "manifest_version": 2,
  "description": "This theme was more or less meant to be personal, due to my love of green fractal images. Nothing to riveting, just a nice extra splash on your browser."
}