:root {
  --wv-background-color: #e2e9e5;
}

html,
body,
.site-wrapper,
.gh-head {
  background-color: var(--wv-background-color);
}

body.is-head-open .gh-head {
  background-color: #fff;
}

@supports (-webkit-touch-callout: none) {
  body:not(.is-head-open) .gh-head {
    transform: translateZ(0);
  }
}