#contBlock {
    position:relative;
    z-index:3;
}

#contentWrapOuter {
    position:relative;
    z-index:4;/* z-index for content must be bigger then z-index for shadow */
}

.ieShadow {
    display:block;
    position:absolute;
    z-index:2;
    top:-4px;
    left:-4px;
    right:6px;
    bottom:6px;
    filter:progid:DXImageTransform.Microsoft.Blur(pixelradius=5);
    -ms-filter:"progid:DXImageTransform.Microsoft.Blur(pixelradius=5)";
    background-color:#444;
}