.ui-split-view {
  display: flex;
  flex-wrap: wrap;
  gap: 1em;
  align-items: flex-start;
}
.ui-split-view-primary {
  flex: 2 1 480px;
  min-width: 0;
}
.ui-split-view-secondary {
  flex: 1 1 320px;
  min-width: 0;
}