Wersja rozszerzona skryptu – przezroczystości etc.

Zasada zmiany linku do obrazu tła bez zmian.

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

@-moz-document domain("blabler.pl") {
body{
  background-attachment: fixed !important; /* Don't delete this line */
  background-image: url("https://bzzz.pl/tlo.jpg") !important;
  }
  #content > table:nth-child(8) > tbody:nth-child(1) > tr:nth-child(1) > td:nth-child(2){
    width: 260px;
padding-left: 10px;
text-align: left;
background: rgba(255, 255, 255, 0.52) none repeat scroll 0% 0%;
padding-right: 10px;
border-radius: 2px;    
    }
  .sectionHeader {
    font-size: 16pt;
    border-bottom: 1px solid #CCC;
    color: #6F6B6B;
    text-align: center;
	}
  
  #dashboardHeader {
     display:none;
    font-family: Comfortaa, Verdana, Tahoma, Arial;
    padding-left: 4px;
    font-size: 16pt;
    font-weight: bold;
    color: #666;
    background: rgba(255, 255, 255, 0.52) none repeat scroll 0% 0%;
    border-radius: 2px;
    margin-bottom: 10px;
    margin-top: 5px;
}
  
  #siteMessage {
   
    border: 1px solid #BBB;
    border-radius: 5px;
    margin: 2px;
    font-size: 12px;
    text-align: center;
    padding: 10px;
    font-size: 12pt;
    background: rgba(255, 255, 255, 0.52) none repeat scroll 0% 0%;
    border-radius: 2px;
}

#posts > div
  {background: rgba(255, 255, 255, 0.65) none repeat scroll 0% 0% !important;
    border-radius: 2px;
  }
  
  
  }