.rb-container {
  padding: 5px;
  min-height: 70vh;
}

.rb-frame {
  background-color: cornflowerblue;
  width: 100%;
  height: 100%;
  border: 3px solid black;
  border-radius: 15px;

  display: flex;
  justify-content: center;
  align-items: center;

  /* transition: width var(--transition-time-short), height var(--transition-time-short); */
}