@namespace url(http://www.w3.org/1999/xhtml);

@-moz-document url-prefix("http://opentechpress.jp/") {
div#slashboxes
, div.ads-728x90
, div.google-ad
{ display:none !important; }

div#main-contents
{ margin-right:0px !important; }

div#articles {
width:80% !important;
float: none !important;
margin: 0px auto !important; }

}