.article_right .defaultSite { display: block; width: 100%;}
.article_right div .article_list{float: left;}
.article_right div .article_box{float: right;}
.article_right div .article_box img{width: 250px;height: 150px;}



@media only screen and (max-width: 768px){

.article_right div .article_box { display: none;}
}