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

@-moz-document url-prefix("http://www.google.co.jp/search") {
  #leftnav,#rhs{
    display: none !important;
  }
  #center_col,#foot{
    margin-left: 0 !important;
    border-left: none !important;
  }
  div[class="s hc"]{
    max-width: 64em !important;
  }
}