body {
  font-family: Arial, sans-serif;
  margin: 20px;
  background-color: #f4f9f4;
  color: #333;
}

h1 {
  color: #2e8b57;
}

h2 {
  color: #4b0082;
}

h3 {
  color: #006400;
}

p {
  line-height: 1.6;
}

.wrap-image {
  float: left;
  margin: 10px 20px 10px 0;
  width: 250px;
  border-radius: 8px;
}

.center-image {
  display: block;
  margin: 20px auto;
  width: 300px;
  border: 2px solid #ccc;
  border-radius: 10px;
}

ul {
  background-color: #e0ffe0;
  padding: 15px;
  border-radius: 8px;
}

a {
  color: #1e90ff;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

footer {
  text-align: center;
  margin-top: 40px;
  font-size: 0.9em;
  color: #666;
  border-top: 1px solid #ccc;
  padding-top: 10px;
}