Have now found the extension listed in the Extension Manager and have activated. Sorry to bother you.

Can you advise if it is possible to increase the width of the margin between the columns?

Thanks for your help.

I have included your tags but nothing happens. Your tags appear in the article as text. The Admiror plugin does not appear in my Extension Manager list even though it seemed to install OK. See html below. {AC} <h3 id="thelandpeopleandcultureofearlyfrance">The Land, People and Culture of Ea...