<!DOCTYPE html>
<html>
<head>
<title>This tests sibling composited content with subpixel positioning.</title>
<style>
.container {
  position: absolute;
  background-color: green; 
  transform: translateZ(0); 
  width: 15px; 
  height: 15px;
}

.offset { 
  background-color: blue;
  width: 5px;
  height: 5px;
  position: relative;
  } 

.jiggle {
  height: 5px;
  width: 5px; 
  background-color: red;
  transform: translateZ(0);
}
</style>
</head>
<body>
<script>
var subpixelForContainer = 0;
for (var i = 0; i < 20; ++i) {
  var subpixelForChild = -2;
  for (var j = 0; j < 20; ++j) {
    var container = document.createElement("div");
    container.className = "container";
    container.style.left = i * 20 + subpixelForContainer + "px";
    container.style.top = j * 20 + subpixelForContainer + "px";
    document.body.appendChild(container);
    subpixelForContainer += 0.05;

    var offset = document.createElement("div");
    offset.className = "offset";
    offset.style.left = subpixelForChild + "px";
    container.appendChild(offset);
    subpixelForChild += 0.05;

    var jiggle = document.createElement("div");
    jiggle.className = "jiggle";
    container.appendChild(jiggle);
  }
}
</script>
</body>
</html>