o kterou reklamu konretne jde? Aktualne resim pres stylish takhle:

@-moz-document domain("aktualne.cz") {

body
     { 
       background: none !important;
       background-color: #dddddd !important;
       margin-top: -230px !important;                                               
     }

div.adObjectAdWrapper, div#sas-exchange-eko, div#content-course, div#stickyParallax
     {
    display: none !important;
  }
}