Examine source code of Hitsune

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Hitsune",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-035-ec6e2e3635b86a13a7ebee9a1390e7e7.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(213, 252, 245)",
      "toolbar_text": "rgb(10, 192, 154)",
      "frame": "rgb(10, 192, 154)",
      "tab_background_text": "rgb(245, 255, 253)",
      "toolbar_field": "rgba(245, 255, 253, 0.73)",
      "toolbar_field_text": "rgb(10, 192, 154)",
      "tab_line": "rgb(121, 208, 189)",
      "popup": "rgb(217, 249, 243)",
      "popup_text": "rgb(10, 192, 154)",
      "button_background_active": "rgba(10, 192, 154, 0.43)",
      "button_background_hover": "rgb(138, 240, 218)",
      "frame_inactive": "rgb(138, 240, 218)",
      "icons_attention": "rgb(138, 240, 218)",
      "icons": "rgb(10, 192, 154)",
      "ntp_background": "rgb(217, 249, 243)",
      "ntp_text": "rgba(0, 0, 0, 0.84)",
      "popup_border": "rgb(138, 240, 218)",
      "popup_highlight_text": "rgb(0, 0, 0)",
      "popup_highlight": "rgb(138, 240, 218)",
      "sidebar_border": "rgb(138, 240, 218)",
      "sidebar_highlight_text": "rgb(210, 253, 244)",
      "sidebar_highlight": "rgb(121, 208, 189)",
      "sidebar_text": "rgb(0, 0, 0)",
      "sidebar": "rgb(138, 240, 218)",
      "tab_background_separator": "rgb(167, 242, 226)",
      "tab_loading": "rgb(10, 192, 154)",
      "tab_selected": "rgb(213, 252, 245)",
      "tab_text": "rgb(10, 192, 154)",
      "toolbar_bottom_separator": "rgb(121, 208, 189)",
      "toolbar_field_border_focus": "rgb(210, 253, 244)",
      "toolbar_field_border": "rgb(10, 192, 154)",
      "toolbar_field_focus": "rgb(210, 253, 244)",
      "toolbar_field_highlight_text": "rgb(10, 192, 154)",
      "toolbar_field_highlight": "rgb(138, 240, 218)",
      "toolbar_field_separator": "rgb(10, 192, 154)",
      "toolbar_field_text_focus": "rgb(10, 192, 154)",
      "toolbar_top_separator": "rgb(210, 253, 244)",
      "toolbar_vertical_separator": "rgb(138, 240, 218)"
    }
  }
}