/* Global styles */
body {
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
  color: #333;
}

a {
  color: #007aff;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Header styles */
header {
  background-color: #000;
  color: #fff;
  padding: 20px;
}

header h1 {
  margin: 0;
  font-size: 48px;
}

/* Navigation styles */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px;
  background-color: #fff;
  border-bottom: 1px solid #ccc;
}

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

nav li {
  margin-left: 10px;
}

nav a {
  color: #333;
  font-weight: bold;
}

nav a:hover {
  color: #007aff;
}

/* Main content styles */
main {
  padding: 20px;
  background-color: #fff;
}

main h2 {
  margin-top: 0;
}

.main-section {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  margin-top: 20px;
}

.main-section .item {
  width: 32%;
  margin-bottom: 20px;
  padding: 20px;
  background-color: #f4f4f4;
}

.main-section .item h3 {
  margin-top: 0;
}

/* Footer styles */
footer {
  padding: 20px;
  background-color: #333;
  color: #fff;
  text-align: center;
}