xrpl-dev-portal/styles/_cards.scss

.card, .cta-card, .q-wrapper {
  box-shadow: $dropdown-box-shadow;
}

.card-body > p,
.card-body > p:not(:last-child) {
  padding: 0;
  margin-bottom: 2rem;
}

/* Full-link cards */
a.card {
  border: 0;
  color: $white;
}
a.card:hover,
a:hover .card-new {
  text-decoration: none;
}
a.card:hover h3 {
  text-decoration: underline;
}

.circled-logo {
  background-color: $gray-600;
  border-radius: 50%;
  padding: .75rem;
  width: 50px;
  height: 50px;
  img {
    width: 26px;
    height: 26px;
    display: inline-block; // fix sizing in Chrome
  }
  margin-bottom: 0.75rem;
}

.card-deck {
  margin-top: 2.5rem;
  margin-left: (-$card-deck-margin);
  margin-right: (-$card-deck-margin);
  margin-bottom: 5rem;
  flex-grow: 1;

  @include media-breakpoint-up(lg) {
    margin-top: 5rem;
  }

  .card {
    flex-grow: 0;
    flex-basis: 100%;
    margin: 0 $card-deck-margin (4 * $card-deck-margin) $card-deck-margin;
    background-position: bottom;
    background-repeat: no-repeat;
    background-size: contain;
  }

  &.row-cols-1 .card {
    flex-basis: 100%;
    // Give cards some breathing room (but not in the 2×2 ones)
    min-height: 264px;
    @include media-breakpoint-up(md) {
      min-height: 347px;
    }
  }

  &.row-cols-lg-3 {
    @include media-breakpoint-up(xl) {
      // Double the card deck margin on larger desktops
      margin-left: (-2 * $card-deck-margin);
      margin-right: (-2 * $card-deck-margin);
    }
    .card {
      @include media-breakpoint-up(lg) {
        flex-basis: calc(33% - #{(2 * $card-deck-margin)} );
      }
      @include media-breakpoint-up(xl) {
        margin: 0 (2 * $card-deck-margin) (4 * $card-deck-margin) (2 * $card-deck-margin);
        flex-basis: calc(33% - #{(4 * $card-deck-margin)} );
      }
    }
  }

  &.row-cols-lg-4 .card {
    @include media-breakpoint-up(lg) {
      flex-basis: calc(25% - #{(2 * $card-deck-margin)} );
    }
  }

  a.card {
    transition: all 0.35s ease-out;
    cursor: pointer;
    &:hover {
      -webkit-transform: translateY(-16px);
      -moz-transform: translateY(-16px);
      -ms-transform: translateY(-16px);
      -o-transform: translateY(-16px);
      transform: translateY(-16px);
    }
  }

  .card-footer {
    font-size: 0;
    padding: 1rem;
    background-position: bottom;
    background-repeat: no-repeat;
    background-size: cover;
    border-top: 0;
  }

  @include media-breakpoint-down(md) {
    margin-top: 2rem;

    .card-body {
      padding: 1rem;
    }
    &.row-cols-1 .card {
      margin: .75rem .75rem (4 * $card-deck-margin) .75rem;
      max-width: calc(100% - 1.5rem);
    }
    &.row-cols-2 .card {
      margin: .75rem;
      max-width: calc(50% - 1.5rem);
    }
  }
}

.cta-card {
  text-align: center;
  background-color: $gray-800;
}