.content_body
{
    float:left;
    padding:10px;
    width:1000px;
}

.content_body ul { list-style: none; padding:0; margin:0; float:left;}
.content_body ul>li {display:block; padding-left: 225px;float:left; width:700px;}
.content_body ul>li img{margin-left:-225px; float:left; max-width:222px; max-height:118px;}
.content_body ul>li hr {margin-left:-225px; height:3px;float:left;}
.content_body ul>li h2 {font-size:1em; font-weight:bold; padding:0; margin:0; text-decoration:underline; margin-bottom:5px;}

.article_search { line-height:2em; text-align:center; margin-bottom:20px;}
.article_search input { vertical-align:middle; margin-bottom:5px; margin-right:15px; }