Examine source code of Antique Evening

{
  "theme": {
    "images": {
      "theme_frame": "headermerged.jpg"
    },
    "colors": {
      "frame": "#1c4733",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Antique Evening",
  "manifest_version": 2,
  "description": "A fantasy- esque theme for people who like to dream."
}