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diff --git a/webpack.common.js b/webpack.common.js
index 655c27b3e..288004335 100644
--- a/webpack.common.js
+++ b/webpack.common.js
@@ -8,51 +8,62 @@ const staticPath = resolve(__dirname, 'pydata_sphinx_theme', 'static');
 
 const vendor = resolve(staticPath, 'vendor');
 const vendorVersions = {
-  fontAwesome: require("@fortawesome/fontawesome-free/package.json").version,
-  openSans: require("@openfonts/open-sans_all/package.json").version,
-  lato: require("@openfonts/lato_latin-ext/package.json").version
+  fontAwesome: require('@fortawesome/fontawesome-free/package.json').version,
+  openSans: require('@openfonts/open-sans_all/package.json').version,
+  lato: require('@openfonts/lato_latin-ext/package.json').version,
 };
 const vendorPaths = {
   fontAwesome: resolve(vendor, 'fontawesome', vendorVersions.fontAwesome),
   openSans: resolve(vendor, 'open-sans_all', vendorVersions.openSans),
-  lato: resolve(vendor, 'lato_latin-ext', vendorVersions.lato)
+  lato: resolve(vendor, 'lato_latin-ext', vendorVersions.lato),
 };
 
 // generates cache-busting templates to be used in `layout.html` without knowing versions
-function macroTemplate({compilation}){
+function macroTemplate({ compilation }) {
+  const indexes = Object.keys(compilation.assets).filter(
+    (file) => file.indexOf('/index.') != -1
+  );
 
-  const indexes = Object.keys(compilation.assets).filter((file) => file.indexOf("/index.") != -1);
-
-  const css = indexes.filter((file) => file.endsWith(".css"));
-  const js = indexes.filter((file) => file.endsWith(".js"));
+  const css = indexes.filter((file) => file.endsWith('.css'));
+  const js = indexes.filter((file) => file.endsWith('.js'));
 
   const stylesheet = (css) => {
     return `<link rel="stylesheet" href="{{ pathto('_static/${css}', 1) }}">`;
-  }
+  };
 
   const preload = (js) => {
-    return `<link rel="preload" as="script" href="{{ pathto('_static/${js}', 1) }}">`
-  }
+    return `<link rel="preload" as="script" href="{{ pathto('_static/${js}', 1) }}">`;
+  };
 
   const script = (js) => {
     return `<script src="{{ pathto('_static/${js}', 1) }}"></script>`;
-  }
+  };
 
   return `<!-- these macros are generated by "yarn build:production". do not edit by hand. -->
 {% macro head_pre_icons() %}
   <link rel="stylesheet"
-    href="{{ pathto('_static/vendor/fontawesome/${vendorVersions.fontAwesome}/css/all.min.css', 1) }}">
+    href="{{ pathto('_static/vendor/fontawesome/${
+      vendorVersions.fontAwesome
+    }/css/all.min.css', 1) }}">
   <link rel="preload" as="font" type="font/woff2" crossorigin
-    href="{{ pathto('_static/vendor/fontawesome/${vendorVersions.fontAwesome}/webfonts/fa-solid-900.woff2', 1) }}">
+    href="{{ pathto('_static/vendor/fontawesome/${
+      vendorVersions.fontAwesome
+    }/webfonts/fa-solid-900.woff2', 1) }}">
   <link rel="preload" as="font" type="font/woff2" crossorigin
-    href="{{ pathto('_static/vendor/fontawesome/${vendorVersions.fontAwesome}/webfonts/fa-brands-400.woff2', 1) }}">
+    href="{{ pathto('_static/vendor/fontawesome/${
+      vendorVersions.fontAwesome
+    }/webfonts/fa-brands-400.woff2', 1) }}">
 {% endmacro %}
 
 {% macro head_pre_fonts() %}
   <link rel="stylesheet"
-    href="{{ pathto('_static/vendor/open-sans_all/${vendorVersions.openSans}/index.css', 1) }}">
+    href="{{ pathto('_static/vendor/open-sans_all/${
+      vendorVersions.openSans
+    }/index.css', 1) }}">
   <link rel="stylesheet"
-    href="{{ pathto('_static/vendor/lato_latin-ext/${vendorVersions.lato}/index.css', 1) }}">
+    href="{{ pathto('_static/vendor/lato_latin-ext/${
+      vendorVersions.lato
+    }/index.css', 1) }}">
 {% endmacro %}
 
 {% macro head_pre_bootstrap() %}
@@ -68,7 +79,6 @@ function macroTemplate({compilation}){
 {% endmacro %}`;
 }
 
-
 module.exports = {
   entry: {
     index: ['./src/js/index.js'],
@@ -113,58 +123,58 @@ module.exports = {
       inject: false,
       minify: false,
       css: true,
-      templateContent: macroTemplate
+      templateContent: macroTemplate,
     }),
     new CopyPlugin([
       // fontawesome
       {
         context: './node_modules/@fortawesome/fontawesome-free',
         from: 'LICENSE.txt',
-        to: resolve(vendorPaths.fontAwesome, 'LICENSE.txt')
+        to: resolve(vendorPaths.fontAwesome, 'LICENSE.txt'),
       },
       {
         context: './node_modules/@fortawesome/fontawesome-free/css',
         from: 'all.min.css',
-        to: resolve(vendorPaths.fontAwesome, 'css')
+        to: resolve(vendorPaths.fontAwesome, 'css'),
       },
       {
         context: './node_modules/@fortawesome/fontawesome-free',
         from: 'webfonts',
-        to: resolve(vendorPaths.fontAwesome, 'webfonts')
+        to: resolve(vendorPaths.fontAwesome, 'webfonts'),
       },
       // opensans
       {
         context: './node_modules/@openfonts/open-sans_all',
         from: 'files/*-400*',
         flatten: true,
-        to: resolve(vendorPaths.openSans, 'files')
+        to: resolve(vendorPaths.openSans, 'files'),
       },
       {
         context: './node_modules/@openfonts/open-sans_all',
         from: 'LICENSE.md',
-        to: resolve(vendorPaths.openSans, 'LICENSE.md')
+        to: resolve(vendorPaths.openSans, 'LICENSE.md'),
       },
       {
         context: './node_modules/@openfonts/open-sans_all',
         from: 'index.css',
-        to: resolve(vendorPaths.openSans, 'index.css')
+        to: resolve(vendorPaths.openSans, 'index.css'),
       },
       // lato
       {
         context: './node_modules/@openfonts/lato_latin-ext',
-        from: 'files/*-400*',
+        from: 'files/*',
         flatten: true,
-        to: resolve(vendorPaths.lato, 'files')
+        to: resolve(vendorPaths.lato, 'files'),
       },
       {
         context: './node_modules/@openfonts/lato_latin-ext',
         from: 'LICENSE.md',
-        to: resolve(vendorPaths.lato, 'LICENSE.md')
+        to: resolve(vendorPaths.lato, 'LICENSE.md'),
       },
       {
         context: './node_modules/@openfonts/lato_latin-ext',
         from: 'index.css',
-        to: resolve(vendorPaths.lato, 'index.css')
+        to: resolve(vendorPaths.lato, 'index.css'),
       },
     ]),
   ],