html, body {background:#f0f0f0;}
body {font-size:14px; line-height:1.8; font-family:'helvetica neue',tahoma,'hiragino sans gb',stheiti,'wenquanyi micro hei',\5FAE\8F6F\96C5\9ED1,\5B8B\4F53,sans-serif;}
ul {list-style:none;}
h1 {text-align:center; font-size:28px;}
h3 {margin:0; font-size:18px;}
#agreement {max-width:750px; padding:.5em 30px; margin:20px auto; background:#fff; border:1px solid #ddd;}