* {
  box-sizing: border-box;
}

nav {
  background-color: #333;
  padding: 10px;
}

nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
}

nav li {
  margin: 0 15px;
}

nav a {
  color: white;
  text-decoration: none;
  font-family: Arial, sans-serif;
  transition: color 0.3s ease;
}

nav a:hover {
  color: orange;
}

h1 {
  text-align: center;
  color: gray;
  margin: 20px 0;
  font-family: 'Georgia', serif;
}

h2 {
  color: red;
  margin: 20px 0 10px;
  font-family: 'Verdana', sans-serif;
}

h3 {
  color: #666;
  margin: 15px 0 10px;
  font-family: 'Courier New', monospace;
}

p {
  color: #333;
  line-height: 1.6;
  font-size: 16px;
  padding: 0 20px;
  margin-bottom: 15px;
  font-family: Arial, sans-serif;
}

img {
  display: block;
  margin: 20px auto;
  width: 300px;
  border-radius: 10px;
}

body {
  background-color: coral;
}