body {
}

.modalBackground
{
    background-color: Gray;
    filter: alpha(opacity=70);
    opacity: 0.7;
  
}
.popup
{
    border: 2px solid #000000;
    background-color: #FFFFFF;
    width: 400px;
    height: 300px;
    text-align: center;
    padding:10px;
    
}