.slidermon {
position:relative;
overflow:hidden;
border:6px;
width:190px;
height:412px;
}

.slidermon .contentdiv {
visibility:hidden;
position:absolute;
left:0;
top:0;
width:190px;
height:100%;
filter:progid:DXImageTransform.Microsoft.alpha(opacity=56);
-moz-opacity:1;
opacity:1;
}