Examine source code of Homestuck Sprites

{
  "theme": {
    "images": {
      "theme_frame": "SpritebarTGKSfull.png"
    },
    "colors": {
      "frame": "#3b3b3b",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Homestuck Sprites",
  "manifest_version": 2,
  "description": "Sprites of all the main characters of Homestuck. Credit goes to Andrew Hussie and his amazing webcomic at MS Paint Adventures (MSPA)"
}