Examine source code of Alchemy - Mercury

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#f7f7f7",
      "tab_background_text": "#e8e8e8"
    }
  },
  "version": "2.0",
  "name": "Alchemy - Mercury",
  "manifest_version": 2,
  "description": "A grungy theme that is based off the alchemy symbol for mercury.  Made mainly for those darker people.\n"
}