Examine source code of TheNeonShallows

{
  "name": "TheNeonShallows",
  "manifest_version": 2,
  "version": "5.0",
  "theme": {
    "images": {
      "theme_frame": "Untitledgauss.png"
    },
    "colors": {
      "frame": "rgba(0, 0, 0, 1)",
      "tab_background_text": "rgba(212, 212, 212, 1)",
      "toolbar": "rgba(0, 0, 0, 1)",
      "bookmark_text": "rgba(212, 212, 212, 1)",
      "toolbar_field": "rgba(0, 0, 0, 1)",
      "toolbar_field_text": "rgba(230, 25, 25, 1)",
      "tab_line": "rgba(17, 222, 13, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{97f8f49d-f1d7-41bc-83e9-2d9037dd7bf9}"
    }
  }
}