.mermaid-zoom-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.88);
  overflow: auto;
  padding: 2rem;
  cursor: zoom-out;
}
.mermaid-zoom-holder {
  margin: 0 auto;
  background: var(--md-default-bg-color, #fff);
  border-radius: 6px;
  padding: 1.5rem;
}
.mermaid-zoom-holder svg {
  display: block;
}