Small text on only one page of website

Site URL: https://www.bdcpantherdiabetes.org/device-comparison

Hi! I am trying to figure out why one page on my website has super small text in the navigation menu AND why it will not recognize the universal font styles I have on my website for my "heading 1 and 2". I had to insert custom code in order to make the comparison table, but I have searched the code and can't find where it would have changed my universal setting in Squarespace. It doesn't do this on ANY other page except for this one. I even tried to create a new page and it still happened. Please help! Thank you! 

Not sure the caused. However you can add this to Design > Custom CSS to increase size

/* Device comparison font */
body#collection-60945a94e8f6ea05859504cd nav.header-nav-list * {
    font-size: 1.5rem !important;
}