Examine source code of BlueandBlack

{
  "theme": {
    "images": {
      "theme_frame": "header2.jpg"
    },
    "colors": {
      "frame": "#f4fc03",
      "tab_background_text": "#fcfcfc"
    }
  },
  "version": "2.0",
  "name": "BlueandBlack",
  "manifest_version": 2,
  "description": "Just a background i made to make to match a blue and black windows theme i found"
}