message: Allow elements to be seen outside of container's bounds (e.g a dropdown menu)
diff: position: relative;
  background-color: var(--boxel-light);
  border-radius: var(--boxel-border-radius);
  - overflow: hidden;
  transition:
  max-width var(--boxel-transition),
  border-radius var(--boxel-transition),
  box-shadow var(--boxel-transition);
  }
  +.boxel-card-container > *:first-child {
  + border-top-left-radius: var(--boxel-border-radius);
  + border-top-right-radius: var(--boxel-border-radius);
  +}
  +
  +.boxel-card-container > *:last-child {
  + border-bottom-left-radius: var(--boxel-border-radius);
  + border-bottom-right-radius: var(--boxel-border-radius);
  +}
  +
  .boxel-card-container--boundaries {
  box-shadow: 0 0 0 1px var(--boxel-light-500);
  }
  