title: CSS3 Curved backgrounds css or background image for non responsive website?
body: <p>I have been asked to create a page with css / html from a design.</p>
  
  <p>The main background is curved and has 2 colors.</p>
  
  <p>I don't know what the best / fastest way to go around this design is...background image or curved the image with css3.</p>
  
  <p>Here is the design bg image ... what's the best way to go around this design?</p>
  
  <p><img src="https://i.stack.imgur.com/moCD0.png" alt="enter image description here"></p>