.modal-partecipants {
  opacity: 0;
  transition: opacity .15s linear;
  position: fixed;
  width: 800px;
  top: 0;
  bottom: 0;
  left: 0;
  height: 100vh;
  z-index: 1050;
  display: none;
  overflow: scroll;
  -webkit-overflow-scrolling: touch;
  outline: 0;
}

.modal-partecipants .card {

}