* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  padding: 80px 20px 20px 20px;
  background: rgb(225, 219, 213);
  color: rgb(70, 60, 60);
  font-family: -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 14px;
  line-height: 20px;
}

.book {
  margin: 0 auto;
  width: 800px;
  display: flex;
}

.book-cover {
  width: 440px;
  height: 625px;
  background: url("../images/book.jpg") -60px 0 no-repeat;
  background-size: 500px 625px;
}

.book-info {
  width: 360px;
  padding-top: 140px;
  text-align: center;
}

.book-info-button a {
  margin-bottom: 2rem;
  display: block;
  border-radius: 25px;
  height: 0;
  padding-top: 50px;
  overflow: hidden;
  background: rgb(164, 59, 42) url("../images/button.png") top center no-repeat;
  background-size: 255px 50px;
  transition: all 0.1s;
}

.book-info-button a:hover {
  background-color: rgb(134, 49, 32);
}

.book-info-description {
}

.book-info-credits {
  margin-top: 1rem;
  opacity: 0.5;
}

@media (max-width: 840px) {
  body {
    padding: 20px;
  }
  .book {
    width: 100%;
    flex-direction: column;
    align-items: center;
  }

  .book-cover {
    width: 300px;
    height: 375px;
    background-position: top center;
    background-size: 300px 375px;
  }

  .book-info {
    width: 100%;
    padding-top: 0px;
  }
}