div #smsConfirm
{
    position: absolute;
 top: 50%;
 left: 50%;
    width: 350px; 
 margin-top: -150px;
 margin-left: -175px;
    border: 1px solid #000; 
 font-size: 12px;
    background-color:#e8e8e8;
    z-index: 1000;
}