import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

This commit is contained in:
Roy Tam 2018-01-19 03:59:58 +08:00
commit dcd9973243
150858 changed files with 23884658 additions and 0 deletions

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<!DOCTYPE html>
<html>
<body>
<style>
#a { border: 1px solid black; width: 100px; height: 100px; left: 10px; }
#b { border: 1px solid blue; width: 50px; height: 50px; left: 20px; }
div { position: absolute; }
</style>
<div id="a">
<div id="b">
</div>
</div>
</body>
</html>