#main_content_list {
 	float: left;
	font-size: 23px;
	margin: 10px 0 0 20px;
	text-align: left;
}

#list_icon {
	list-style-type:none;
	padding-left:20px;
	background-image:url("../img/top/top_img_013.jpg");
	background-repeat:no-repeat;
	background-position:0px 6px;
}

#viewer {
    margin: 0 auto;
    width: 1200px;
    height: 278px;
    text-align: left;
    overflow: hidden;
    position: relative;
}
 
#viewer img {
    top: 0;
    left: 0;
    position: absolute;
}

#main_content_bg{
}

#main_content_top{
	text-align: center;
	margin: auto;
}

#top_content_img{
	margin:  10px -5px 30px 0px;
}