Examine source code of Blue Browser

{
  "manifest_version": 2,
  "version": "3.0",
  "name": "Awesome Blue",
  "theme": {
    "colors": {
      "toolbar": "rgb(72, 134, 170)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(53, 87, 106)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(53, 87, 106)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(98, 190, 239)",
      "popup": "rgb(72, 134, 170)",
      "popup_text": "rgb(255, 255, 255)",
      "button_background_active": "rgb(143, 204, 236)",
      "button_background_hover": "rgb(93, 148, 178)",
      "frame_inactive": "rgb(53, 87, 106)",
      "icons_attention": "rgb(98, 190, 239)",
      "icons": "rgba(255, 255, 255, 0.92)",
      "ntp_background": "rgba(168, 210, 236, 0.83)",
      "ntp_text": "rgb(0, 0, 0)",
      "popup_border": "rgb(98, 190, 239)",
      "popup_highlight_text": "rgb(182, 219, 242)",
      "popup_highlight": "rgb(98, 190, 239)",
      "sidebar_highlight_text": "rgb(194, 223, 252)",
      "sidebar_highlight": "rgb(172, 219, 247)",
      "sidebar_text": "rgb(255, 255, 255)",
      "sidebar": "rgb(146, 190, 214)",
      "tab_background_separator": "rgba(255, 255, 255, 0.26)",
      "tab_loading": "rgba(87, 195, 250, 0.59)",
      "tab_selected": "rgb(72, 134, 170)",
      "tab_text": "rgb(255, 255, 255)",
      "toolbar_bottom_separator": "rgb(157, 208, 235)",
      "toolbar_field_border_focus": "rgba(138, 213, 250, 0.26)",
      "toolbar_field_border": "rgba(255, 255, 255, 0.17)",
      "toolbar_field_focus": "rgba(255, 255, 255, 0.26)",
      "toolbar_field_highlight_text": "rgb(255, 255, 255)",
      "toolbar_field_highlight": "rgba(87, 195, 250, 0.59)",
      "toolbar_field_separator": "rgba(65, 116, 152, 0.76)",
      "toolbar_field_text_focus": "rgba(119, 202, 251, 0)",
      "toolbar_top_separator": "rgba(94, 183, 235, 0.26)",
      "toolbar_vertical_separator": "rgba(255, 255, 255, 0)"
    }
  }
}