Examine source code of RoyxEd

{
  "theme": {
    "images": {
      "theme_frame": "Picture41.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#a8a8a8"
    }
  },
  "version": "2.0",
  "name": "RoyxEd",
  "manifest_version": 2,
  "description": "Anime: Fullmetal Alchemist\nWarning: YAOI\nPairing: Roy Mustang x Edward Elric"
}