body {
  margin: 0;
  padding: 0;
  background: #f8f8f8;
  font-family: Arial, sans-serif;
  color: #333;
}

.container {
  max-width: 600px;
  margin: 50px auto;
  background: #fff;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.ebook-box {
  text-align: center;
}

.ebook-cover {
  width: 180px;
  border-radius: 4px;
  margin-bottom: 20px;
}

input[type="email"] {
  width: 100%;
  padding: 12px;
  margin: 12px 0;
  border: 1px solid #ccc;
  border-radius: 6px;
}

button {
  background-color: #d00;
  color: #fff;
  border: none;
  padding: 12px 24px;
  font-size: 16px;
  border-radius: 6px;
  cursor: pointer;
}

button:hover {
  background-color: #a00;
}

.description {
  margin-top: 40px;
}

.description h2 {
  margin-bottom: 16px;
}

.description ul {
  list-style: disc inside;
  padding-left: 20px;
}

.description p {
  margin-top: 20px;
}