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

header {
  background-color: #ffe5d9; /* Light pastel red for the header */
  padding: 20px;
  text-align: center;
}

main {
  padding: 15px;
}

.content-section {
  position: relative;
  background-color: #fff;
  padding: 20px;
  margin-bottom: 40px;
}

.content-section h2 {
  color: #fff;
  padding: 10px 20px;
  margin-bottom: 20px;
}

#history h2 {
  background-color: #e0e4cc; /* Pastel Violet */
}

#varieties h2 {
  background-color: #97d2fb; /* Pastel Indigo */
}

#preparation h2 {
  background-color: #7fb2f0; /* Pastel Blue */
}

#nutritional-values h2 {
  background-color: #7bc8a4; /* Pastel Green */
}

#alternatives h2 {
  background-color: #ffd1dc; /* Pastel Yellow */
}

img {
  width: calc(100% - 240px); /* Subtract ad space width */
  height: auto;
  display: block;
}

.ad-placeholder {
  position: absolute;
  right: 0;
  top: 0;
  width: 220px;
  height: 100%;
  background-color: #d3d3d3; /* Placeholder color for ad space */
  color: grey;
  text-align: center;
  padding: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

footer {
  background-color: #ffe5d9; /* Light pastel red for the footer */
  color: #333;
  padding: 10px;
  text-align: center;
}