Steps to reproduce 🕹

Link to live example:

Steps:

1. https://codesandbox.io/s/inspiring-browser-c7qmv7?file=/Demo.tsx

Current behavior 😯

Expected behavior 🤔

Context 🔦

It looks more correct on Material UI:

https://codesandbox.io/s/peaceful-khorana-27gct9

but a lower line-height would I think feel better.

Your environment 🌎

  Don't forget to mention which browser you used.
  Output from `npx @mui/envinfo` goes here.