:host {
  display: block;
  position: absolute;
  top: -5px;
  left: -5px;
  right: -5px;
  bottom: -5px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
:host > * {
  z-index: 1;
}
:host:after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  cursor: wait;
  background: var(--sc-color-white);
  opacity: var(--sc-block-ui-opacity, 0.15);
}
:host.transparent:after {
  background: transparent;
}