zoomed-background-position-accuracy.html

<!DOCTYTPE html>
<html>
  <head>
    <style>
      .background1 {
        width: 30px;
        height: 25px;
        margin: 10px;
        background: no-repeat url(resources/large-sprite-map.png) -20px -968px;
        border: solid 1px black;
        zoom: 110%;
      }
      .background2 {
        width: 30px;
        height: 25px;
        margin: 10px;
        background: no-repeat url(resources/large-sprite-map.png) -34px -566px;
        border: solid 1px black;
        zoom: 110%;
      }
    </style>
  </head>
  <body>
    <div class="background1"></div>
    <div class="background2"></div>
  </body>
</html>

chromium/third_party/blink/web_tests/css3/background/zoomed-background-position-accuracy.html