body {
  font-family: 'Georgia', serif;
  background-color: #D1D69E;
  color: #4E5426;
  margin: 0;
  padding: 0;
}

h1, h2, h3 {
  font-family: 'PT Sans', sans-serif;
}

header {
  background-color: #4E5426;
  color: #fff;
  text-align: center;
  padding: 20px;
}

nav {
  background-color: #6e7640;
  text-align: center;
  padding: 10px;
}

nav a {
  color: #fff;
  margin: 0 15px;
  text-decoration: none;
  font-weight: bold;
}

main {
  max-width: 900px;
  margin: 0 auto;
  padding: 20px;
  background-color: #fffdf6;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

section {
  margin-bottom: 40px;
}

.selos-area {
  position: relative;
  height: 400px;
  border: 1px dashed #4E5426;
  background-color: #f9f7ed;
  margin-top: 10px;
  overflow: hidden;
}

.selo {
  width: 100px;
  position: absolute;
  cursor: grab;
}

.livros-area {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.livro {
  position: relative;
  width: 120px;
  cursor: pointer;
}

.livro img {
  width: 100%;
  border: 2px solid #4E5426;
  border-radius: 6px;
}

.review {
  display: none;
  position: absolute;
  bottom: 100%;
  background-color: #4E5426;
  color: #fff;
  padding: 5px 8px;
  border-radius: 5px;
  font-size: 0.85em;
  white-space: nowrap;
  transform: translateY(-5px);
}

.livro:hover .review {
  display: block;
}

footer {
  background-color: #4E5426;
  color: #fff;
  text-align: center;
  padding: 15px;
  font-size: 0.9em;
}