Examine source code of Yellow Digital

{
  "theme": {
    "images": {
      "theme_frame": "headeryellow.png"
    },
    "colors": {
      "frame": "#dbd700",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Yellow Digital",
  "manifest_version": 2,
  "description": "There is other versions of this persona available in:\nRed\nBlue\nGreen\nYellow\nCyan\nMagenta\nOrange\nPurple\nPink"
}