Examine source code of Rainy Day - Light

{
  "manifest_version": 2,
  "version": "1.2",
  "name": "Rainy Day - Light",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(220, 229, 229)",
      "toolbar_text": "rgb(49, 54, 56)",
      "frame": "rgb(205, 214, 214)",
      "tab_background_text": "rgb(49, 54, 56)",
      "toolbar_field": "rgb(205, 214, 214)",
      "toolbar_field_text": "rgb(49, 54, 56)",
      "tab_line": "rgb(220, 229, 229)",
      "popup": "rgb(205, 214, 214)",
      "popup_text": "rgb(49, 54, 56)",
      "button_background_active": "rgb(171, 179, 179)",
      "button_background_hover": "rgb(171, 179, 179)",
      "frame_inactive": "rgb(205, 214, 214)",
      "icons_attention": "rgb(49, 54, 56)",
      "icons": "rgb(49, 54, 56)",
      "ntp_background": "rgb(205, 214, 214)",
      "popup_border": "rgba(171, 179, 179, 0.38)",
      "popup_highlight_text": "rgb(64, 70, 73)",
      "popup_highlight": "rgb(197, 233, 234)",
      "tab_text": "rgb(49, 54, 56)",
      "toolbar_bottom_separator": "rgb(220, 229, 229)",
      "toolbar_field_border_focus": "rgb(49, 54, 56)",
      "toolbar_field_border": "rgb(205, 214, 214)",
      "toolbar_field_focus": "rgb(205, 214, 214)",
      "toolbar_field_highlight_text": "rgb(197, 233, 234)",
      "toolbar_field_highlight": "rgb(49, 54, 56)",
      "toolbar_field_text_focus": "rgb(49, 54, 56)",
      "toolbar_top_separator": "rgb(220, 229, 229)",
      "tab_loading": "rgb(220, 229, 229)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{1cbbabcf-a9dc-49fc-a3c3-660e55c2c770}"
    }
  }
}