:root {
  --page-bg: #ede4dd;
  --ink: #786a65;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--page-bg);
}

.back-link {
  position: fixed;
  top: clamp(0.75rem, 2vw, 1.5rem);
  left: clamp(0.75rem, 2vw, 1.5rem);
  z-index: 2;
  display: grid;
  width: 2.75rem;
  height: 2.75rem;
  place-items: center;
  border: 1px solid rgba(120, 106, 101, 0.2);
  border-radius: 50%;
  background: rgba(255, 253, 251, 0.88);
  box-shadow: 0 0.45rem 1.25rem rgba(91, 70, 60, 0.12);
  color: var(--ink);
  font: 1.25rem/1 sans-serif;
  text-decoration: none;
  backdrop-filter: blur(0.5rem);
}

.gallery {
  width: min(100%, 128rem);
  margin: 0 auto;
  padding: clamp(1rem, 2vw, 2rem);
}

.gallery img {
  display: block;
  width: 100%;
  height: auto;
  margin: 0 0 clamp(1rem, 2vw, 2rem);
  border-radius: clamp(0.75rem, 1.5vw, 1.5rem);
}

.gallery img:last-child {
  margin-bottom: 0;
}

@media (max-width: 640px) {
  .gallery {
    padding: 0.5rem;
  }

  .gallery img {
    border-radius: 0.65rem;
  }
}