<!DOCTYPE html> <html> <head> <link rel="stylesheet" type="text/css" href="designkadai10.css"> <title>design kadai</title> </head> <body> <script type="text/javascript" src="designkadai10.js"></script> <h2>課題</h2> <p>鎌倉幕府は<span class="check">1192</span>年、</p> <p>日本の首都は<span class="check">東京</span>です。</p> </body> </html>