🌟 Code Cleanup

pages/_document.js

@@ -0,0 +1,30 @@
+import Document from 'next/document'
+import { ServerStyleSheet } from 'styled-components'
+
+export default class MyDocument extends Document {
+  static async getInitialProps(ctx: any) {
+    const sheet = new ServerStyleSheet(),
+      originalRenderPage = ctx.renderPage
+
+    try {
+      ctx.renderPage = () =>
+        originalRenderPage({
+          enhanceApp: App => props => sheet.collectStyles(<App {...props} />)
+        })
+
+      const initialProps = await Document.getInitialProps(ctx);
+
+      return {
+        ...initialProps,
+        styles: (
+          <>
+            {initialProps.styles}
+            {sheet.getStyleElement()}
+          </>
+        ),
+      }
+    } finally {
+      sheet.seal()
+    }
+  }
+}