fix nprogress

Author: vinaypuppal

postcss.config.js

@@ -10,7 +10,7 @@ module.exports = {
             defaultExtractor: content =>
               content
                 .match(/[\w-/:%]+(?<!:)/g)
-                .concat(content.match(/html|body|after|before|snackbar|snackbarks|tippy|next|nprogress/g)) || [],
+                .concat(content.match(/html|body|after|before|snackbar|snackbarks|tippy|next|#nprogress/g)) || [],
             whitelistPatterns: [
               /html/,
               /body/,
@@ -20,7 +20,7 @@ module.exports = {
               /next/,
               /snackbar/,
               /snackbarks/,
-              /nprogress/,
+              /#nprogress/,
             ],
           }),
           require('cssnano'),