Examine source code of Grid ocean blue

{
  "name": "Grid ocean blue",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "1603-3.png"
    },
    "colors": {
      "frame": "rgba(179, 179, 179, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(194, 194, 194, 0.84)",
      "bookmark_text": "rgba(0, 0, 0, 1)",
      "toolbar_field": "rgba(2, 79, 100, 0.62)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(255, 255, 255, 0.74)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ead8639c-ccbc-4cc4-b1e2-38bed6674525}"
    }
  }
}