wagtail/docs/_static/css/custom.css

/* fix a few issues with static/scrolling sidebar and algolia search fields
- issue where overflow-x hidden was added but not required if hidden submit button wraps
- added search content causes width of sidebar to make content wrap
- search results not able to be shown inside scrollable container
- https://github.com/wagtail/sphinx_wagtail_theme/issues/201
*/

.sidebar-container .collapse {
  overflow-x: unset;
}

@media screen and (min-width: 992px) {
  .sidebar-container {
    width: 25%;
  }
}

body.body--autocomplete-open .sidebar-container .collapse {
  overflow-y: unset;
}

.rst-versions.rst-badge {
  z-index: 1021;
}

/* Promotion banner */

.promotion-banner {
  background: #00676a;
  color: white;
  border-radius: 6px;
  margin-bottom: 2em;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 1rem;
  position: relative;
}

.promotion-banner svg {
  position: absolute;
  width: 3.5rem;
  top: -0.5rem;
  left: 0;
}

.promotion-banner a {
  display: flex;
  color: inherit;
  padding: 1rem;
  text-align: left;
  flex: 1 1 50%;
  border: 0;
  text-decoration: none;
}

.promotion-banner strong {
  font-size: 1.25em;
}

.promotion-banner .close {
  padding: 10px;
  width: 3.5rem;
  cursor: pointer;
  font-weight: bold;
  font-size: 1.5em;
  color: inherit;
  border: 0;
  background: none;
  position: absolute;
  top: 0;
  right: 0;
}

@keyframes bounce {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-5px);
  }
}

.promotion-banner:hover svg {
  animation-duration: 0.5s;
  animation-fill-mode: both;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
  animation-name: bounce;
}