.block-editor-block-list__block.is-selected .breakpoint-spacer {
  background: rgba(0, 0, 0, 0.1);
}

.breakpoint-spacer {
  height: var(--height-default);
}
@media (min-width: 576px) {
  .breakpoint-spacer {
    height: var(--height-sm);
  }
}
@media (min-width: 768px) {
  .breakpoint-spacer {
    height: var(--height-md);
  }
}
@media (min-width: 992px) {
  .breakpoint-spacer {
    height: var(--height-lg);
  }
}
@media (min-width: 1200px) {
  .breakpoint-spacer {
    height: var(--height-xl);
  }
}
@media (min-width: 1400px) {
  .breakpoint-spacer {
    height: var(--height-xxl);
  }
}