I've created a contact form on Hubspot and when I embed it on a Hubspot page and view it in mobile it is full width as expected and can be seen below
However when I embed that form on my own page, which has nothing but the standard opening and closing HTML tags and the script I get from Hubspot it looks like this
You can see on the right-hand side of the image there is all that empty space. I need it to fit properly in the view and then I can start styling etc but I can't find out how to do that?