title: changing the font size according to each iPhone size
body: <p>is there any way to changing/auto resizing the font size according to the different iPhone screen as when i change the font size, the font size applied to other phone size as well which is too big. </p>
  
  <p>My Current Phone size is iPhone 6s plus (5.5 inch)
  <a href="https://i.stack.imgur.com/GUtSR.png" rel="noreferrer"><img src="https://i.stack.imgur.com/GUtSR.png" alt="enter image description here"></a></p>
  
  <p><a href="https://i.stack.imgur.com/2jsnF.png" rel="noreferrer"><img src="https://i.stack.imgur.com/2jsnF.png" alt="enter image description here"></a></p>