/** kép pop-up **/

a.screen, a.screen:visited
{
    color:#c00; 
    position:relative; 
    z-index:1;
}

a.screen b 
{
    visibility: hidden; 
    width: 200px;
    height: 150px;
    position: absolute;
    left:0;
    top:-150px;
    z-index:500;
}

a.screen b img 
{
    padding: 5px;
    border: 1px gray double; 
    background-color: #d7e2bf;
}

a.screen:hover b 
{
    visibility: visible; 
    cursor:pointer; 
}