Examine source code of Pikachu

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Pikachu",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "left center"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(237, 245, 119)",
      "toolbar_text": "rgb(248, 112, 140)",
      "frame": "rgb(247, 22, 68)",
      "tab_background_text": "rgb(247, 22, 68)",
      "toolbar_field": "rgb(72, 112, 227)",
      "toolbar_field_text": "rgb(240, 255, 0)",
      "tab_line": "rgb(247, 22, 110)",
      "popup": "rgb(31, 247, 22)",
      "popup_text": "rgb(238, 21, 12)",
      "button_background_active": "rgb(238, 12, 58)",
      "button_background_hover": "rgb(23, 224, 226)",
      "frame_inactive": "rgb(72, 17, 232)",
      "icons_attention": "rgb(16, 52, 176)",
      "icons": "rgb(238, 21, 12)",
      "ntp_background": "rgb(247, 22, 68)",
      "ntp_text": "rgb(247, 22, 68)",
      "popup_border": "rgb(238, 12, 58)",
      "popup_highlight_text": "rgb(247, 22, 68)",
      "popup_highlight": "rgb(31, 247, 22)",
      "sidebar_border": "rgb(31, 247, 22)",
      "sidebar_highlight_text": "rgb(247, 22, 68)",
      "sidebar_highlight": "rgb(237, 245, 119)",
      "sidebar_text": "rgb(240, 255, 0)",
      "sidebar": "rgb(245, 18, 64)",
      "tab_background_separator": "rgb(30, 40, 219)",
      "tab_loading": "rgb(29, 38, 203)",
      "tab_selected": "rgb(255, 0, 52)",
      "tab_text": "rgb(31, 247, 22)",
      "toolbar_bottom_separator": "rgb(7, 221, 68)",
      "toolbar_field_border_focus": "rgb(16, 52, 176)",
      "toolbar_field_highlight_text": "rgb(221, 7, 74)",
      "toolbar_field_highlight": "rgb(183, 20, 53)",
      "toolbar_vertical_separator": "rgb(17, 154, 232)"
    }
  }
}