Thank you Richard but I couldn't get this to work but I figured out the rest as I'd set the Newsletter as a page myself and forgot (thought it was a preset ) I've done a work around so that'll be ok  

I've been trawling previous posts but haven't found a solution yet.  The relevant page is https://www.handmadebyhayley.tv/pages/newsletter-sign-up Part of what I want to alter is on the page and part is in the footer. I want to increase the size of t...