Set a signature for outgoing Gmail webmail

Open Settings (click on cog icon – top right) ❯ ‘See all settings’ ❯ ‘General’ tab ❯ Signature. Click on ‘Create new’, give the signature a name then add text and select font, text size and more. Select ‘Signature defaults’ FOR NEW EMAILS USE and ON REPLY/FORWARD USE. Scroll down to bottom and click ‘Save Changes’