Examine source code of OlansiDE New Tab

{
  "name": "Kubota Garden",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "22223333.png"
    },
    "colors": {
      "frame": "rgba(255, 255, 255, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(207, 31, 31, 0)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(207, 44, 44, 0)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(212, 66, 144, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{6adef027-607f-484c-a797-adcc3f422e77}"
    }
  }
}