.alert_overlay {
    display: none;
}
.ui-dialog-titlebar.hide-header {
    display: none;
}

.ui-dialog.bm-overlay {
    /* place overlay on top of other elements */
    z-index:9999;
    width:400px;    
    height:120px;
    border:1px solid #666;
    
    /* CSS3 styling for latest browsers */
    -moz-box-shadow:0 0 0px 0px #000;
    -webkit-box-shadow: 0 0 0px #000; 
    
    /* hot CSS3 features for mozilla and webkit-based browsers (rounded borders) */
    -moz-border-radius:0px;
    -webkit-border-radius:0px;
}