.woomticket__modal {
  display: grid;
  visibility: visible;
  position: fixed; /* Stay in place */
  z-index: 10000; /* Sit on top */
  left: 0;
  top: 0;
  width: 100%; /* Full width */
  height: 100%; /* Full height */
  overflow: auto; /* Enable scroll if needed */
  background-color: rgb(0,0,0); /* Fallback color */
  background-color: rgba(0,0,0,0.4); /* Black w/ opacity */
}

.woomticket__modal .content {
  margin: auto;
}