Examine source code of Gruvbox Light Hard

{
  "manifest_version": 2,
  "version": "1.1.0",
  "name": "Gruvbox Light Hard",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "frame": "#f9f5d7",
      "toolbar": "#f2e5bc",
      "toolbar_text": "#3c3836",
      "toolbar_field": "#f9f5d7",
      "toolbar_field_text": "#3c3836",
      "toolbar_top_separator": "#f2e5bc",
      "toolbar_bottom_separator": "#f2e5bc",
      "tab_background_text": "#7c6f64",
      "tab_line": "#d65d0e",
      "tab_loading": "#d65d0e",
      "popup": "#f9f5d7",
      "popup_text": "#3c3836",
      "ntp_background": "#f9f5d7",
      "ntp_text": "#3c3836",
      "sidebar": "#f9f5d7",
      "sidebar_border": "#f2e5bc",
      "sidebar_text": "#3c3836"
    }
  }
}