Examine source code of Humble Gruvbox Light

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Humble Gruvbox Light",
  "theme": {
    "colors": {
      "frame": "#fbf1c7",
      "icons_attention": "#b57614",
      "ntp_background": "#fbf1c7",
      "ntp_text": "#262522",
      "popup": "#ebdbb2",
      "popup_border": "#fbf1c7",
      "popup_highlight": "#a89984",
      "popup_text": "#262522",
      "sidebar": "#fbf1c7",
      "sidebar_border": "#ebdbb2",
      "sidebar_highlight": "#a89984",
      "sidebar_text": "#262522",
      "tab_background_separator": "white",
      "tab_line": "#fbf1c7",
      "tab_loading": "#b57614",
      "tab_text": "#b57614",
      "tab_background_text": "#262522",
      "toolbar": "#fbf1c7",
      "toolbar_field": "white",
      "toolbar_field_border_focus": "#b57614",
      "toolbar_field_separator": "white",
      "toolbar_field_text": "#262522",
      "toolbar_text": "#262522",
      "toolbar_vertical_separator": "#fbf1c7"
    }
  }
}