body {
  background: #f4f4f4;
  font-family: sans-serif;
  text-align: center;
  padding: 20px;
}

h1 {
  margin-bottom: 20px;
}

.controls {
  margin-bottom: 20px;
}

button {
  padding: 10px 20px;
  font-size: 16px;
  margin: 0 10px;
  cursor: pointer;
  background-color: #8800ff;
  color: white;
  border: none;
  border-radius: 5px;
}

button:hover {
  background-color: #005fa3;
}

#flipbook {
  width: 1000px;
  height: 8500px;
  margin: 0 auto;
}

.page {
  width: 400px;
  height: 600px;
  background: white;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.page img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.title-wrapper {
  align-items: center;
  padding: 20px;
  background: #fff;
  border: 5px solid #8800ff;
  border-radius: 15px;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
  margin: 0 auto;
}

.open-wrapper {
  align-items: center;
  padding: 20px;
  background: #fff;
  border: 5px solid #8800ff;
  border-radius: 15px;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
  margin: 0 auto;
}

.gallery-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
  background: #fff;
  border: 5px solid #8800ff;
  border-radius: 15px;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
  width: fit-content;
  margin: 0 auto;
}