.poimio{
  visibility: hidden;
  display: none;
}
.dialog-window {
  height: 300px;
  border: 0px black solid;
}

.scrollable-content {
  height: 180px;
  overflow: auto;
  background-color: white;
}
.mvideo {
  width: 500px;
  height: 300px;
}