Examine source code of Summer Klimt

{
  "name": "oil-drop-5807010_640",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "texture-1909992_640.jpg"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(245, 213, 115, 1)",
      "toolbar": "rgba(173, 134, 181, 1)",
      "bookmark_text": "rgba(245, 213, 115, 1)",
      "toolbar_field": "rgba(245, 213, 115, 1)",
      "toolbar_field_text": "rgba(242, 225, 225, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{08a93656-939f-46ad-bd49-f6b22336eeb4}"
    }
  }
}