Examine source code of Dark Blue Wood

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#072475",
      "tab_background_text": "#bddcff"
    }
  },
  "version": "2.0",
  "name": "Dark Blue Wood",
  "manifest_version": 2,
  "description": "This theme is created from an image of wood planks, with a deep blue colorization and an oil painting texture filter."
}