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

/*Note: the first two don't work (reason unknown), therefore the 3rd is used */

@-moz-document domain("slimtimer.com") {
 a[href="/payments/new?label=thanks%21"] { display: none !important }
 .notice%20lbOn%20lbLarge { display: none !important }
 li.first + li { display: none !important }
}