body {
  margin: 0;
  padding: 0;
  background-color: #f0f0f0;
  font-family: Arial, sans-serif;
}
header {
  background-color: #111;
  color: white;
  text-align: center;
  padding: 20px 0;
}
main {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px;
}
.brochure-page {
  margin: 20px auto;
  max-width: 1000px;
  box-shadow: 0 0 15px rgba(0,0,0,0.2);
  background: white;
}
.brochure-page img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
}
footer {
  background-color: #111;
  color: white;
  text-align: center;
  padding: 15px;
  font-size: 14px;
}