.expander
{/*background-repeat: no-repeat;
background-image: url("images/arrow.gif");
padding-left: 13px;
background-position: left center;*/
}
.expanding
{
}

#wrapper
{width:850px;
height:600px;
padding:4px;
margin-left:180px;
}

#natural
{width:800px;
height:60px;
padding:4px;
background-color:#D9D9D9;
border-bottom:3px solid white;
font-size: 16px;
font-family: Georgia,"Times New Roman",Times,serif;
}
#nonnatural
{width:800px;
height:60px;
padding:4px;
background-color:#D9D9D9;
font-size: 16px;
font-family: Georgia,"Times New Roman",Times,serif;
}

.text
{width:800px;
height:60px;
color:#8C0209;
text-align:center;
background-color:#F9F9F9;
font-size: 17px;
font-family: Georgia,"Times New Roman",Times,serif;
margin-top:80px;
}

.explain
{width:800px;
height:60px;
border-style:double;
padding:2px;
border-width:4px;
font-size: 16px;
font-family: Georgia,"Times New Roman",Times,serif;
}

.content 
{display:none;
width:800px;
line-height:2em;
font-size: 16px;
font-family: Georgia,"Times New Roman",Times,serif;
}

.content2
{display:none;
width:800px;
line-height:2em;
font-size: 16px;
font-family: Georgia,"Times New Roman",Times,serif;