<!doctype html> <html> <head> <meta charset="utf-8"> <title>simple testcase</title> <link rel="stylesheet" charset="UTF-8" type="text/css" media="screen" href="simple.css"/> <style type="text/css"> body { background: white; } div { font-size: 4em; } div > span { text-decoration: underline; } </style> </head> <body> <div>simple <span>testcase</span></div> </body> </html>