body {
  margin: 0;
  font-family: "Comic Sans MS", cursive, sans-serif;
  background: linear-gradient(to bottom, #fff6e6, #ffe4b3);
  color: #3e1f0d;
  text-align: center;
}

header {
  background-color: #ffcd85;
  padding: 2em 1em 1em;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

h1 {
  font-size: 3em;
  color: #5c2e1f;
  text-shadow: 1px 1px 2px #ffffffcc;
  margin: 0;
}

.tagline {
  font-size: 1.3em;
  margin-top: 1em;
  color: #6b3e00;
}

.container {
  padding: 2em 1em;
  max-width: 900px;
  margin: 0 auto;
}

.book-shelf {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1em;
  margin-top: 2em;
  padding: 0 1em;
}

.book {
  background-color: #8B0000;
  color: #fff;
  padding: 0.6em 0.8em;
  width: 130px;
  min-height: 70px;
  border-radius: 10px;
  box-shadow: 3px 5px 10px rgba(0, 0, 0, 0.2);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  font-size: 0.9em;
  font-weight: bold;
  transition: all 0.3s ease;
  box-sizing: border-box;
}

.book:hover {
  background-color: #ff6b6b;
  color: #3e1f0d;
  transform: translateY(-3px) scale(1.03);
}

footer {
  margin-top: 4em;
  font-size: 0.9em;
  color: #888;
  padding-bottom: 2em;
}