There are two things you can do:
a) Make the fields that contain paragraphs taller by adjusting them in the design mode. The change of width and height will be reflected on your web embed.
b) Adjust the columns that you are displaying on the listing page, so that the listing is not so wide and cluttered.
We recommend that you only have a few fields in the listing page, since users can click on one entry to see the full detail.