div.iwrap{  
    float:left; 
    position:relative;  
}  
div.description{  
    position:absolute !important; 
    bottom:0px;  
    left:0px;  
    width:100%;  
    
    background-color:black;  
    font-family: Arial;
    text-align:center;
    color:white;  
    opacity:0.6 !important;
    filter:alpha(opacity=75); /**** This will work with IE, Test, Fully compatible - Sharnil*/  
}  
p.description_content{  
    padding:6px;  
    margin:0px;  
}