body {text-align: center;}
#header {width: 100%; text-align: center; min-height: 80px;}
div.header_content {width: 760px; margin-left: auto; margin-right: auto;}
#navigation {text-align: center;}
ul#main_navigation li, ul#admin_navigation li {display: table-cell;}
ul#main_navigation{margin-left: auto; margin-right: auto; display: table; width: 100%;}
ul#admin_navigation {display: table; width: auto; margin: 5px auto 7px auto;}
#content_holder {width: 760px; margin-left: auto; margin-right: auto;}
div.col1 {width: 550px; float: left;}
div.col2 {width: 200px; float: right;}
#col2_content {padding: 3px;}
.side_box, .clear_side_box {width: 194px; margin-bottom: 0.7em; margin-top: 0.3em;}
 
#main_navigation:after {
    content: "."; 
    display: block; 
    height: 0; 
    clear: both; 
    visibility: hidden;
}

#content_holder:after {
    content: "."; 
    display: block; 
    height: 0; 
    clear: both; 
    visibility: hidden;
}

#master_image {margin-left: auto; margin-right: auto;}