Examine source code of Daft vision

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#f0f0f0",
      "tab_background_text": "#383636"
    }
  },
  "version": "2.0",
  "name": "Daft vision",
  "manifest_version": 2,
  "description": "I have found some epic looking masks wallpapers and I wanted to use them in my toolbar. Everyone can of course use it to my big pleasure !"
}