div#first{
 margin-top:20px;
}
div.theme_contents li{
 list-style-position:outside;
 list-style-type:disc;
 margin-left:20px;
 margin-bottom:10px;
 border-bottom-width:1px;
 border-bottom-style:dotted;
 border-bottom-color:#808080;
 padding-bottom:10px;
}