<!DOCTYPE html>
<link rel="help" href="https://drafts.csswg.org/css-backgrounds/#background">
<link rel="help" href="https://drafts.csswg.org/css-backgrounds/#background-color">
<link rel="match" href="background-none-none-and-color-ref.html">
<style>
div {
  width: 100px;
  height: 100px;
  border: 2px solid black;
}
</style>
<div style="background: none, none; background-color: blue"></div>
<div style="background-color: blue; background: none, none"></div>
<div style="background: none, none; background-color: blue; overflow: scroll"></div>
  <div style="height: 200px"></div>
</div>
<div style="background-color: blue; background: none, none; overflow: scroll"></div>
  <div style="height: 200px"></div>
</div>
