title: Proper way to emphasize html submit button?
body: <p>If you absolutely have to style your html buttons, what is the correct way to emphasize some of them? e.g. "Add to cart" is usually emphasized visually to make it stand out.</p>
  
  <p>Option 1 - wrap submit in em or strong + css</p>
  
  <p>Option 2 - class + css</p>
  
  <p>Option 3 - ?</p>