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

@-moz-document domain("lifehacking.jp") {

#container {
  width: 95% !important;
}

#sidebar,#ad-box,#banner-ad, #horiz-adlink {
  display:none !important;
}
 
#content-main {
  float:none !important;
  margin: 0 !important;
  width:95% !important;
}

}