Bedford Template (v7.0) padding around code bloxk

Site URL: https://www.torrentcycle.com/mariana-schedule

Looking to reduce padding around custom code block for iframe in Bedford template (v7.0).  Default padding is so great that the iframe displays "mobile" view.

Any tips?

url is

www.torrentcycle.com/mariana-schedule

password is: mariana

Add to Design > Custom CSS

body#collection-62701681d6cb0e0db7c75cb6 #page {
    max-width: 100%;
    padding-left: 0;
    padding-right: 0;
}