main {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.chapter {
  position: relative;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  background: var(--cream);
}

.chapter__art {
  width: 100%;
  height: auto;
  display: block;
}

/* Invisible anchor stretched over the bottom of each chapter to advance to the next */
.scroll-jump {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 18%;
  z-index: 2;
}

/* Live Instagram link sized + positioned over the @beatkeepers.id text in the final image */
.instagram-link {
  position: absolute;
  /* Tuned to the @beatkeepers.id blue text in 06-beatkeepers.png */
  top: 50.8%;
  left: 33%;
  width: 41%;
  height: 2.8%;
  color: transparent;
  font-size: 0;
  cursor: pointer;
}

/* Desktop: keep mobile aspect; add bookend background */
@media (min-width: 640px) {
  body {
    background: var(--cream);
  }
  main {
    background: var(--cream);
  }
}