Examine source code of Dark Theme

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#ff0000"
    }
  },
  "version": "2.0",
  "name": "Dark Theme",
  "manifest_version": 2,
  "description": "It's a black and red theme. (MY FIRST PLEASE DO NOT JUDGE.) Enjoy! NOTE: Images are all from Google, therefore weren't created by me."
}