Examine source code of Obsidian Black Frames

{
  "theme": {
    "images": {
      "theme_frame": "ObsidianBlackGlassTextureFrames.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#001aff"
    }
  },
  "version": "2.0",
  "name": "Obsidian Black Frames",
  "manifest_version": 2,
  "description": "Obsidian Black dark Smoke smokey flat glossy gloss smooth glass glassy frames goth texture"
}