I created 1 module here to check it out and it appeared to me. Look:
I believe that maybe it could be some global CSS that is in the settings or in this email template.
You can try to force the CSS to see if it appears in the editor. I will send below the code snippet that this legend appears to me, for you to capture the classes that HubSpot used here.
I created 1 module here to check it out and it appeared to me. Look:
I believe that maybe it could be some global CSS that is in the settings or in this email template.
You can try to force the CSS to see if it appears in the editor. I will send below the code snippet that this legend appears to me, for you to capture the classes that HubSpot used here.