webapp/src/components/_shared/Slider.scss

.swiper-slide {
  min-height: 0 !important;
  margin-bottom: 0 !important;

  .cards-with-cover & {
    height: 0 !important;
    padding-top: 100%;

    @include media-breakpoint-up(sm) {
      padding-top: 56.2% !important;
    }

    @include media-breakpoint-up(md) {
      padding-top: 35% !important;
    }
  }
}

.slider-arrow-prev,
.slider-arrow-next {
  align-items: center;
  display: flex;
  cursor: pointer;
  height: 100%;
  position: absolute;
  outline: none;
  border: 0;
  transform: translate(0);
  top: 0;
  width: 21%;
  z-index: 1;

  @include media-breakpoint-down(md) {
    width: 8%;
  }

  &::after {
    color: #fff;
  }

  &:hover {
    .icon {
      opacity: 0.5;
    }
  }

  .icon {
    height: 36px;
    opacity: 1;
    transition: opacity 0.2s;
    width: 22px;
  }
}

.slider-arrow-prev {
  background: linear-gradient(to left, rgb(0 0 0 / 0%) 0%, rgb(0 0 0 / 90%) 100%);
  justify-content: flex-start;
  left: 0;

  &::after {
    margin-left: 5rem;
  }

  .icon {
    margin-left: 5rem;

    @include media-breakpoint-down(md) {
      margin-left: 25%;
    }
  }
}

.slider-arrow-next {
  background: linear-gradient(to left, rgb(0 0 0 / 90%) 0%, rgb(0 0 0 / 0%) 100%);
  justify-content: flex-end;
  right: 0;

  &::after {
    margin-right: 5rem;
  }

  .icon {
    margin-right: 5rem;
    transform: rotate(180deg);

    @include media-breakpoint-down(md) {
      margin-right: 25%;
    }
  }
}