title: How to make a vector background image in css instead of using jpg or png
body: <p>I have seen and trying to adopt a background using css instead of jpeg or png image. which look like this:</p>
  
  <p><a href="https://i.stack.imgur.com/giOOD.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/giOOD.jpg" alt="enter image description here"></a> </p>
  
  <p><a href="https://i.stack.imgur.com/giOOD.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/giOOD.jpg" alt="enter image description here"></a></p>
  
  <p>It has been designed in css but I don't know how. I think it is a SVG. Can any one help please...  </p>