Codebase Browser
chromium
Go to App

chromium/third_party/blink/web_tests/fast/css/object-fit-video-poster.html 

<!DOCTYPE html>

<html>
  <head>
    <title>object-fit on video poster</title>
    <style type="text/css">
      img, embed, object, input, canvas, video {
        width: 72px;
        height: 72px;
        margin: 2px 10px;
        border: 1px solid black;
        background-color: gray;
      }

      .group { object-fit: contain; }
      .group > *:nth-child(1) { object-fit: fill; }
      .group > *:nth-child(2) { object-fit: contain; }
      .group > *:nth-child(3) { object-fit: cover; }
      .group > *:nth-child(4) { object-fit: none; }
      .group > *:nth-child(5) { object-fit: scale-down; }
      .group > *:nth-child(6) { object-fit: inherit; }
      .group > *:nth-child(7) { }
    </style>
  </head>
  <body>

    <div class="group">
      <video poster="resources/circles-landscape.png"></video>
      <video poster="resources/circles-landscape.png"></video>
      <video poster="resources/circles-landscape.png"></video>
      <video poster="resources/circles-landscape.png"></video>
      <video poster="resources/circles-landscape.png"></video>
      <video poster="resources/circles-landscape.png"></video>
      <video poster="resources/circles-landscape.png"></video>
    </div>

  </body>
</html>