.rt-html5-banner {
  margin: 2.5rem auto;
  max-width: 68rem;
}

.rt-html5-banner-intro {
  text-align: left;
}

.rt-html5-banner__items {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0;
  padding: 0;
}

.rt-html5-banner__item {
  list-style: none;
}

.rt-html5-banner__link {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid #dedede;
  border-radius: 8px;
  color: #222;
  display: grid;
  grid-template-rows: auto auto;
  height: 100%;
  overflow: hidden;
  text-decoration: none;
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.rt-html5-banner__link:link,
.rt-html5-banner__link:visited,
.rt-html5-banner__link:hover,
.rt-html5-banner__link:focus-visible {
  text-decoration: none;
}

.rt-html5-banner__link:hover,
.rt-html5-banner__link:focus-visible {
  border-color: #9d9d9d;
  box-shadow: 0 0.8rem 1.8rem rgba(0, 0, 0, 0.12);
  color: #111;
  transform: translateY(-2px);
}

.rt-html5-banner__image {
  align-items: center;
  aspect-ratio: 4 / 3;
  background: #f3f1ec;
  display: flex;
  overflow: hidden;
}

.rt-html5-banner__image img {
  display: block;
  height: 100%;
  object-fit: cover;
  width: 100%;
}

.rt-html5-banner__caption {
  align-items: center;
  display: flex;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 0.98rem;
  gap: 0.5rem;
  justify-content: space-between;
  line-height: 1.35;
  padding: 0.85rem 0.9rem;
  text-align: left;
}

.rt-html5-banner__caption i {
  color: #747474;
  font-size: 0.9rem;
  flex: 0 0 auto;
}

html[data-theme="dark"] .rt-html5-banner__link {
  background: rgba(24, 24, 24, 0.78);
  border-color: #3b3b3b;
  color: #f1f1f1;
}

html[data-theme="dark"] .rt-html5-banner__link:hover,
html[data-theme="dark"] .rt-html5-banner__link:focus-visible {
  border-color: #777;
  color: #fff;
}

html[data-theme="dark"] .rt-html5-banner__image {
  background: #ece8df;
}

html[data-theme="dark"] .rt-html5-banner__caption i {
  color: #cfcfcf;
}

@media (max-width: 820px) {
  .rt-html5-banner {
    margin: 2rem auto 2.3rem;
  }

  .rt-html5-banner__items {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 480px) {
  .rt-html5-banner__items {
    grid-template-columns: 1fr;
  }

  .rt-html5-banner__caption {
    font-size: 1rem;
  }
}