styles.css

body {
  font-family: "Arial", sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  color: #333;
  background-color: #f4f4f9;
}

header {
  background-color: #4caf50;
  color: #fff;
  padding: 20px;
  text-align: center;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

header h1 {
  margin: 0;
  font-size: 2em;
}

header p {
  margin: 5px 0;
  font-size: 0.9em;
}

nav {
  background-color: #333;
  color: #fff;
  padding: 10px 0;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
}

nav ul li {
  margin: 0 15px;
}

nav ul li a {
  color: #fff;
  text-decoration: none;
  font-weight: bold;
  padding: 5px 10px;
  transition: background 0.3s, color 0.3s;
}

nav ul li a:hover {
  background-color: #4caf50;
  color: #fff;
  border-radius: 3px;
}

main {
  margin: 20px auto;
  padding: 20px;
  max-width: 800px;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

main h2 {
  color: #4caf50;
  border-bottom: 2px solid #4caf50;
  padding-bottom: 5px;
  margin-bottom: 20px;
}

main p,
main ul {
  margin: 10px 0;
}

main ul {
  padding-left: 20px;
  list-style-type: disc;
}

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

footer {
  text-align: center;
  padding: 10px 0;
  margin-top: 20px;
  background-color: #333;
  color: #fff;
  font-size: 0.9em;
}

.authors {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 20px;
  gap: 30px;
}

.author {
  text-align: center;
}

.author img {
  border-radius: 50%;
  width: 100px;
  height: 100px;
  object-fit: cover;
  border: 2px solid #4caf50;
  margin-bottom: 10px;
}

@media (max-width: 768px) {
  header h1 {
    font-size: 1.5em;
  }

  nav ul li {
    margin: 0 10px;
  }

  main {
    padding: 15px;
  }
}