title: What is the font size of a footer and header in photoshop?
body: <p>I am designing a mockup in photoshop.</p>
  
  <p>i know that i 1em is the same as 12 points used in photoshop.</p>
  
  <p>When I have reseached what the font size is for nav and footer etc it comes up with H1 to H6.</p>
  
  <p>Does anyone know the typical font size of headers and footers across all 3 devices (mobile, desktop and tablet)</p>