.page {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
}

.main {
  background: url("../img/books.webp") no-repeat center center;
  background-size: cover;
  background-color: var(--primary);
}

.main__content {
  max-width: 30rem;
  width: fit-content;
  margin-block: 3rem;
  margin-inline: auto;
  border-radius: 10px;
}