#page_wrapper{
        margin: 0 auto;
        width:800px;
}

header{
        width:100%;
        border-bottom: 1px solid black;
}

#left_column{
        float:left;
        width:200px;
        border-right: 1px solid black;
}

#article_wrapper{
        margin-left:210px;
        border-right: 1px solid black;
}

footer{
        border-top: 1px solid black;
        border-bottom: 1px solid black;
}

 .mystyle img {float:left; border:1px solid #000; padding:1px; margin:0 5px 0 0}