.ico{
  color:white;
  font-weight:bold;
  font-size:0.8em;
}

.pozadi_pruhledne{
  display:none;
  width:100px; 
  height:100%;
  border:1px solid black;
  position:absolute;
  top:0px;
  left:0px;
  z-index:20;
  background-color:black;
  opacity: 0.5;  
  filter: alpha(opacity=50);  
  -moz-opacity: 0.5;  
  -khtml-opacity: 0.5;  
}

.obrazek_popredi{
  display:none;
  width:300px; 
  height:200px;
  border:1px solid black;
  margin:0px auto;
  vertical-align:middle;
  z-index:100;
  position:absolute;
  top:100px;
  left:200px;
  text-decoration:none;

}

#popredi_menu{
  display:none;
  width:300px; 
  height:50px;
  border:1px solid black;
  z-index:100;
  position:absolute;
  top:20px;
  left:0px;
  background-color:black;
  opacity: 0.6;  
  filter: alpha(opacity=60);  
  -moz-opacity: 0.6;  
  -khtml-opacity: 0.6; 
  color:white; 
}