.testimonials {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  align-items: stretch;
}
.testimonial,
.testimonial + .testimonial {
  max-width: none;
  margin: 0;
  padding: 30px 32px;
  display: flex;
  flex-direction: column;
}
.testimonial .quote-mark {
  font-size: 66px;
  line-height: .65;
}
.testimonial blockquote {
  margin: 12px 0 28px;
  font-size: 22px;
  line-height: 1.42;
}
.testimonial footer {
  margin-top: auto;
  padding-top: 20px;
}
.testimonial footer strong { font-size: 18px; }
.testimonial footer span { font-size: 14px; }
.testimonial footer > b { font-size: 15px; }

@media (max-width: 850px) {
  .testimonials { grid-template-columns: 1fr; }
}