In response to @Tom's bugs, the following CSS is a basic fix:

    kbd
    {
      max-width: 624px;
      overflow: auto;
    }

---

## Before:

![before][1]

## After:

![after][2]


  [1]: https://i.sstatic.net/Y5jC3.png
  [2]: https://i.sstatic.net/l1Prc.png