It would be really difficult to give the right solution as there are various ways to proceed with this task, but yes if you could share the link with us, then by going through the code, we can help you with the best approach.
Unfortunately this type of question is not that simple. The result you see is a combination of CSS code on your page, as well as CSS from the Hubspot embed. Can we see a link to the page in question or a test page so that we could provide you with an exact answer?
