Examine source code of Rin Yuu white

{
  "manifest_version": 2,
  "applications": {
    "gecko": {
      "id": "rin-yuu-white-theme@stereh",
      "strict_min_version": "67.0"
    }
  },
  "name": "Rin Yuu white theme",
  "version": "1.1",
  "description": "Rin Yuu white theme",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "colors": {
      "frame": "rgb(255, 255, 255)",
      "frame_inactive": "rgb(245, 245, 245)",
      "tab_text": "rgb(16, 14, 15)",
      "tab_background_text": "rgb(99, 91, 90)",
      "tab_line": "rgb(84, 204, 232)",
      "tab_loading": "rgb(84, 204, 232)",
      "tab_background_separator": "rgb(16, 14, 15)",
      "icons": "rgb(43, 37, 37)",
      "icons_attention": "rgb(20, 64, 162)",
      "toolbar": "rgba(183, 185, 196, 0.35)",
      "toolbar_top_separator": "rgba(0, 0, 0, 0)",
      "toolbar_bottom_separator": "rgba(0, 0, 0, 0)",
      "toolbar_vertical_separator": "2b2525",
      "toolbar_field": "rgba(255, 255, 255, 0.35)",
      "toolbar_field_text": "rgb(16, 14, 15)",
      "toolbar_field_text_focus": "rgb(16, 14, 15)",
      "toolbar_field_border": "rgba(43, 37, 37, 0.2)",
      "toolbar_field_separator": "rgb(43, 37, 37)",
      "toolbar_field_focus": "rgba(255, 255, 255, 0.35)",
      "toolbar_field_border_focus": "rgba(84, 204, 232, 0.4)",
      "toolbar_field_highlight": "rgba(20, 64, 162, 0.7)",
      "toolbar_field_highlight_text": "rgba(255, 255, 255, 0.9)",
      "button_background_hover": "rgba(84, 204, 232, 0.4)",
      "button_background_active": "rgba(84, 204, 232, 0.7)",
      "bookmark_text": "rgb(16, 14, 15)",
      "popup": "rgb(255, 255, 255)",
      "popup_text": "rgb(16, 14, 15)",
      "popup_border": "rgb(254, 252, 250)",
      "popup_highlight": "rgb(84, 204, 232)",
      "popup_highlight_text": "rgba(6, 4, 5, 0.9)",
      "sidebar": "rgb(255, 255, 255)",
      "sidebar_text": "rgb(16, 14, 15)",
      "sidebar_border": "rgb(254, 252, 250)",
      "sidebar_highlight": "rgb(84, 204, 232)",
      "sidebar_highlight_text": "rgba(6, 4, 5, 0.9)",
      "ntp_text": "rgb(16, 14, 15)",
      "ntp_background": "rgb(255, 255, 255)"
    }
  }
}