title: 4 same image with text overlay responsive
body: <p><strong>Im using boostrap4.</strong>
  I need 4 boxes with  or image as background of col. Image always must be 100% height, and 100% width. Size of image = size of div
  All images are 1080 width / 488 height</p>
  
  <p>Its possibile to do?</p>
  
  <p><a href="https://i.stack.imgur.com/IeQ4u.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/IeQ4u.png" alt="enter image description here"></a></p>