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chromium/third_party/blink/web_tests/external/wpt/css/css-page/resources/mq-frame-100px.html 

<!DOCTYPE html>
<style>
body {
  margin: 0;
}
div {
  background: red;
}
@media (width: 100px) and (height: 100px) {
  div {
    background: green;
  }
}
</style>
<div style="height:100px;"></div>