<!DOCTYPE html>
<html>

  <head>
    <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1">
    <meta charset="utf-8">
    <title>Testcase for bug 1149923</title>
    <style>
      #outer {
        width: 64px;
        height: 64px;
        background-color: #00f;
        opacity: 1.0;
        transform: rotate(90deg);
      }
      #inner {
        width: 100%;
        height: 100%;
        background-color: #f00;
        border-top-left-radius: 10%;
        border-bottom-left-radius: 10%;
      }
    </style>
  </head>
  <body>
    <div id='outer'><div id='inner'></div></div>
  </body>
</html>