.article_category{
    float:left;
    margin:10px;
    width:280px;
}
.article_category a{
    color:#575444;
    font-size:1.2em;
}
.article_category li{
    margin:4px 0px 4px 16px;
}
.article_category h2{
    font-size:1.9em;
}