/* General Styles */
body {
  background-color: #000;
  color: #fff;
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
}

a {
  color: blue;
  text-decoration: underline;
}

h1, h2 {
  margin: 0;
}

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

/* Header */
header {
  background-color: #222;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100px;
}

header h1 {
  font-size: 2.5rem;
}

/* Navigation */
nav {
  background-color: #333;
}

nav ul li {
  display: inline-block;
  margin: 10px;
}

nav ul li a:hover {
  color: #aaa;
}

/* Main Content */
main {
  margin: 20px;
}

main h2 {
  font-size: 1.5rem;
  margin-bottom: 10px;
}

main ul li {
  margin-bottom: 10px;
}

/* Footer */
footer {
  background-color: #222;
  color: #aaa;
  text-align: center;
  padding: 10px;
}
/* Images */
img {
  display: block;
  margin: 0 auto;
border: 1px;
height: 500px
}