section.testimonials {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.6), rgba(255, 255, 255, 0.6)),
    url('forest-2942477.jpg');
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  background-attachment: fixed;
}

section.testimonials blockquote {
  display: table-cell;
  width: calc(100% - 10rem);
  max-width: 59rem;
  margin-left: auto;
  margin-right: auto;
  padding-top: 1rem;
  padding-bottom: 1rem;
  text-align: center;
  font-style: italic;
}

section.testimonials blockquote::before {
  content: "„";
}

section.testimonials blockquote::after {
  content: "“";
}
section.testimonials .swiper-wrapper {
  display: flex;
  align-items: center;
}

section.testimonials .swiper-slide {
  display: flex;
  align-items: center;
  justify-content: center;
}