Blog post preview text overflows

https://sunpy.org/blog
<img width="851" alt="Screenshot 2023-05-10 at 15 04 02" src="https://github.com/sunpy/sunpy.org/assets/6197628/3c731743-5213-4e81-abcf-96282bcdfbba">

Note on the right hand side the text overflowing. There isn't even a scroll bar, so the text on the right just can't be seen at all at the moment.