Examine source code of blackandblue

{
  "theme": {
    "images": {
      "theme_frame": "Kp1.png"
    },
    "colors": {
      "frame": "#c9d5f5",
      "tab_background_text": "#c9d5f5"
    }
  },
  "version": "2.0",
  "name": "blackandblue",
  "manifest_version": 2,
  "description": "Black Blue"
}