Examine source code of Monday Blue

{
  "manifest_version": 2,
  "version": "1.3",
  "name": "Blue Monday",
  "theme": {
    "colors": {
      "frame": "#0d3562",
      "frame_inactive": "#1d4070",
      "button_background_active": "rgba(18, 18, 18, 0.52)",
      "button_background_hover": "rgba(255, 255, 255, 0.52)",
      "icons": "white",
      "toolbar": "rgb(0, 99, 177)",
      "toolbar_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgba(24, 67, 117, 0.80)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "toolbar_field_separator": "rgb(12, 30, 50)",
      "toolbar_top_separator": "rgb(12, 30, 50)",
      "toolbar_vertical_separator": "rgba(12, 30, 50, 0.32)",
      "tab_background_text": "rgb(215, 226, 239)",
      "tab_line": "#6db8f2",
      "tab_loading": "rgb(109, 184, 242)",
      "tab_background_separator": "#1f1f1f",
      "popup": "rgba(18, 18, 18, 0.64)",
      "popup_border": "rgba(178, 223, 255, 0.52)",
      "popup_text": "rgb(215, 226, 239)",
      "ntp_background": "#202020",
      "ntp_text": "white",
      "sidebar": "#121212",
      "sidebar_border": "rgba(178, 223, 255, 0.52)",
      "sidebar_highlight": "#2a82da",
      "sidebar_highlight_text": "white",
      "sidebar_text": "white"
    }
  }
}