.fl-modal-standalone {
  position: fixed;
  z-index: 999; 
  left: 0;
  top: 0;
  width: 100%; 
  height: 100%; 
  background-color: rgb(0,0,0); 
  background-color: rgba(0,0,0,0.4);
  overflow: visible;
}
.fl-modal-standalone iframe {
  display: block;
  margin-left: auto;
  margin-right: auto;
  margin-top: none;
  width: 100%;
  height: 100%;
}
.fl-close-modal {
  color: #aaaaaa;
  float: right;
  font-size: 28px;
  font-weight: bold;
}