#mask
{
    height: 110%;
    width: 100%;
    background: #000000;
    position: absolute;
    top: 0;
    left:0;
    -moz-opacity:0.75;
    -khtml-opacity: 0.75;
    opacity: 0.75;
    filter:alpha(opacity=75);
}
/*-- Hide close button in popups -- */
.ui-dialog-titlebar-close{
    display: none;*/
}