body{font:14px/1.52 arial,sans-serif;background:#fff;padding-left:1em;}
h1{font-size:18px;}
h2{font-size:16px;}
h3{font-size:14px;}
h2{background:#E5ECF9;}
iframe{overflow-x:hidden;}
.wrapper{width:80%;margin:0 auto;}
.tip{font-size:12px;}
.dp-highlighter embed {display:none;}