body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f5f5f5;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
  text-align: center;
}

header {
  background-color: #333;
  color: #fff;
  padding: 20px 0;
}

header h1 {
  font-size: 28px;
  margin-top: 10px;
}

img {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  margin-bottom: 20px;
}

section {
  margin-bottom: 40px;
}

h2 {
  color: #333;
  font-size: 24px;
}

ul {
  list-style-type: none;
  padding: 0;
}

ul li {
  margin-bottom: 10px;
}

p {
  margin-bottom: 10px;
}
.dark-mode {
  background-color: #333;
  color: #fff;
}

.dark-mode h2 {
  color: #fff;
}

.dark-mode p {
  color: #ddd;
}

.dark-mode ul li {
  color: #ddd;
}