Examine source code of Runic Pentacle

{
  "theme": {
    "images": {
      "theme_frame": "RunicPentacle.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#e0e0e0"
    }
  },
  "version": "2.0",
  "name": "Runic Pentacle",
  "manifest_version": 2,
  "description": "pentacle pentagram rune runes runic pagan paganism black dark gold glass glassy gloss glossy witch witchcraft"
}