#content div { padding: 30px;}
h1,h2,p { color: #000;}
h2,p { text-align: left;font-size: 12px;}
h1,h2 { font-weight: bold;margin: 5px 0;}
h1 { font-size: 14px;}

.keypoint { color: #f60;}
#content a { font-size: 12px;text-decoration: none;color: #838383;}
#content a:hover { color: #ffa200;}
.back-to-top { display:block;padding: 3px;margin: 30px 0 0 0;width:80px;border: 1px solid #adadad;}
#content a .back-to-top { color: #fff;font-size: 9px;}