Examine source code of Tach Phan Theme

{
  "theme": {
    "images": {
      "theme_frame": "Firefoxheadercopy.jpg"
    },
    "colors": {
      "frame": "#0518eb",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Tach Phan Theme",
  "manifest_version": 2,
  "description": "My own personal theme. Feel free to use it, but Only I can realy understand it, so don't hurt yourself."
}