.highlight.has-copy {
  position: relative;
}

.copy-code-btn {
  position: absolute;
  top: 0.4rem;
  left: 0.4rem;
  z-index: 2;
  padding: 0.25rem 0.55rem;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: var(--border-radius, 5px);
  background: rgba(0, 0, 0, 0.55);
  color: #ffffff;
  font: inherit;
  font-size: 0.75rem;
  line-height: 1.2;
  cursor: pointer;
}

.copy-code-btn:hover,
.copy-code-btn:focus-visible {
  background: rgba(0, 0, 0, 0.75);
  outline: 2px solid var(--color-primary, #dc143c);
  outline-offset: 1px;
}

.copy-code-btn.is-copied {
  background: rgba(0, 0, 0, 0.8);
  border-color: var(--color-primary, #dc143c);
}