Examine source code of Abstract Red & black

{
  "theme": {
    "images": {
      "theme_frame": "walpaperblackred3.jpg"
    },
    "colors": {
      "frame": "#121111",
      "tab_background_text": "#f5f0f0"
    }
  },
  "version": "2.0",
  "name": "Abstract Red & black",
  "manifest_version": 2,
  "description": "A cool abstract that combine the red and the black colors"
}