#con1{width:920px; display:inline-block; margin:15px;}
#con1 h3{margin-bottom:10px;}

.section{display:inline-block;}
.section div{display:inline-block; margin:10px 0;}
.section div img{float:left;}
.section div dl{float:left; margin:0; padding:25px 0 0 5px; width:307px;}
.section div dd img{float:right; margin:10px 0 0 0;}

#section1{width:450px; float:left;}
#section1 div{width:450px;}

#section1 div.memory img{float:none;}
#section1 div.memory{text-align:center;}

#section2{width:449px; float:right; padding:0 0 0 20px; border-left:1px dotted #000;}
#section2 div{width:449px;}