Examine source code of C.U. Black N' Blue

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "C.U. Black N' Blue",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-002-609370e89a219e0548ac5ef6b4a7dd2e.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(25, 10, 72)",
      "toolbar_text": "rgb(170, 171, 176)",
      "frame": "rgb(0, 3, 5)",
      "tab_background_text": "rgb(248, 248, 251)",
      "toolbar_field": "rgb(0, 0, 6)",
      "toolbar_field_text": "rgb(236, 236, 246)",
      "tab_line": "rgb(177, 178, 172)",
      "popup": "rgb(4, 8, 87)",
      "popup_text": "rgb(242, 243, 247)",
      "button_background_active": "rgb(243, 243, 249)",
      "button_background_hover": "rgb(236, 236, 246)",
      "icons_attention": "rgb(237, 236, 244)",
      "ntp_background": "rgb(2, 2, 36)",
      "ntp_text": "rgb(241, 241, 246)",
      "popup_highlight": "rgb(240, 240, 247)",
      "sidebar_text": "rgb(3, 1, 12)",
      "tab_background_separator": "rgb(246, 245, 249)",
      "tab_loading": "rgb(235, 234, 244)",
      "tab_selected": "rgb(28, 28, 110)",
      "tab_text": "rgb(244, 244, 249)",
      "toolbar_bottom_separator": "rgb(245, 244, 249)",
      "toolbar_field_focus": "rgb(19, 6, 57)",
      "toolbar_field_highlight_text": "rgb(0, 0, 5)",
      "toolbar_field_highlight": "rgb(235, 224, 23)",
      "toolbar_field_separator": "rgb(246, 246, 249)",
      "toolbar_top_separator": "rgb(246, 245, 250)",
      "toolbar_vertical_separator": "rgb(20, 19, 2)"
    }
  }
}