Examine source code of [vx] dark neon

{
  "manifest_version": 2,
  "version": "1.1",
  "name": "dark neon",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-000-5672c42860d5b06e1058dc477397f3ef.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(30, 30, 63)",
      "toolbar_text": "rgb(133, 138, 227)",
      "frame": "rgb(50, 50, 100)",
      "tab_background_text": "rgb(125, 140, 196)",
      "toolbar_field": "rgb(68, 68, 136)",
      "toolbar_field_text": "rgb(169, 240, 209)",
      "tab_line": "rgb(255, 166, 158)",
      "popup": "rgb(50, 50, 100)",
      "popup_text": "rgb(133, 138, 227)",
      "icons_attention": "rgb(255, 166, 158)",
      "icons": "rgb(125, 140, 196)",
      "ntp_background": "rgb(50, 50, 100)",
      "ntp_text": "rgb(125, 140, 196)",
      "popup_highlight_text": "rgb(50, 50, 100)",
      "popup_highlight": "rgb(169, 240, 209)",
      "sidebar_border": "rgb(50, 50, 100)",
      "sidebar_highlight_text": "rgb(255, 236, 235)",
      "sidebar_highlight": "rgb(255, 166, 158)",
      "sidebar_text": "rgb(125, 140, 196)",
      "sidebar": "rgb(50, 50, 100)",
      "tab_loading": "rgb(255, 166, 158)",
      "toolbar_top_separator": "rgb(30, 30, 63)",
      "newtab_topsites_background_color": "rgb(30, 30, 63)"
    }
  }
}