/* Reset default margin and padding */
body, h1, h2, h3, p {
  margin: 0;
  padding: 0;
}

/* Set a background color and font for the whole page */
body {
  font-family: Arial, sans-serif;
  background-color: #f1f1f1;
  color: #333;
}

/* Style the header */
header {
  background-color: #007BFF;
  padding: 20px;
  color: #fff;
  text-align: center;
}

/* Style the main content area */
main {
  max-width: 800px;
  margin: 20px auto;
  padding: 20px;
  background-color: #fff;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* Style images */
img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
}

/* Style headings and paragraphs */
h1, h2, h3 {
  margin: 20px 0;
}

p {
  margin-bottom: 20px;
}

/* Style buttons */
.button {
  display: inline-block;
  padding: 10px 20px;
  background-color: #007BFF;
  color: #fff;
  text-decoration: none;
  border-radius: 5px;
}

/* Responsive styles */
@media (max-width: 600px) {
  main {
    padding: 10px;
  }
}