<!doctype html> | |
<title>CSS Test Reference</title> | |
<link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io"> | |
<link rel="author" title="Mozilla" href="https://mozilla.org"> | |
<style> | |
#outer { | |
border: 10px solid transparent; | |
} | |
#inner { | |
border: 10px solid; | |
} | |
</style> | |
<div id="outer"><div id="inner"></div></div> |