Examine source code of Rain - Kanji

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Rain",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png",
        "images/1.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "left center",
        "right center"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat",
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(90, 91, 100, 0.1)",
      "toolbar_text": "rgb(183, 189, 189)",
      "frame": "rgb(61, 61, 67)",
      "tab_background_text": "rgb(215, 226, 239)",
      "toolbar_field": "rgba(54, 58, 89, 0)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(14, 223, 223)",
      "popup": "rgb(61, 61, 67)",
      "popup_text": "rgb(215, 226, 239)",
      "button_background_active": "rgb(47, 166, 166)",
      "button_background_hover": "rgb(94, 115, 115)",
      "icons_attention": "rgb(14, 223, 223)",
      "icons": "rgb(14, 223, 223)",
      "ntp_background": "rgb(55, 60, 60)",
      "ntp_text": "rgb(47, 166, 166)",
      "popup_border": "rgb(47, 166, 166)",
      "tab_loading": "rgb(14, 223, 223)"
    }
  }
}