:root {
  color-scheme: light;
  --r-background-color: #fff;
  --r-main-color: #151515;
  --r-link-color: #a66000;
}

body {
  background: #fff;
}

.reveal .slides > section {
  height: 100%;
  padding: 0;
}

.reveal .slides img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: none;
  max-height: none;
  margin: 0;
  object-fit: contain;
}

.reveal .controls {
  color: #a66000;
}

.reveal .progress {
  height: 3px;
  color: #ff9900;
}

.reveal .slide-number {
  right: auto;
  left: 12px;
  bottom: 12px;
  padding: 6px 9px;
  color: #383838;
  background: #fffffff0;
  font: 14px/1.3 system-ui, sans-serif;
}

.reveal button:focus-visible,
.reveal a:focus-visible {
  outline: 3px solid #a66000;
  outline-offset: 4px;
}

@media print {
  .reveal .controls,
  .reveal .progress {
    display: none;
  }
}