| <!doctype html> | |
| <meta charset="utf-8"> | |
| <title>CSS Test Reference</title> | |
| <link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io"> | |
| <style> | |
| div { | |
| width: calc(1ex + 1ch + 1em); | |
| height: calc(1ex + 1ch + 1em); | |
| background: green; | |
| } | |
| </style> | |
| <div></div> |