Examine source code of Teal Blues

{
  "name": "Teal",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Dark Ocean.png"
    },
    "colors": {
      "frame": "rgba(51, 57, 107, 1)",
      "tab_background_text": "rgba(25, 183, 189, 1)",
      "toolbar": "rgba(51, 57, 107, 1)",
      "bookmark_text": "rgba(25, 183, 189, 1)",
      "toolbar_field": "rgba(83, 88, 143, 1)",
      "toolbar_field_text": "rgba(25, 183, 189, 1)",
      "tab_line": "rgba(25, 183, 189, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{c2938856-a850-40f1-826d-343253cf0300}"
    }
  }
}