body {
  font-family: Arial, sans-serif;
  margin: 0;
  background-color: #f1f5f9;
  color: #333;
}
header {
  background-color: #1e8a66;
  color: white;
  padding: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
header .logo {
  height: 100px;
}
nav a {
  margin: 0 10px;
  color: white;
  text-decoration: none;
}
nav a:hover {
  text-decoration: underline;
}
main {
  padding: 2rem;
  background-color: #e2e8f0;
}
footer {
  background-color: #1e3a8a;
  color: white;
  text-align: center;
  padding: 1rem;
}
.image-gallery {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}
.image-gallery img {
  width: 30%;
  height: auto;
}
ul {
  list-style: none;
  padding-left: 0;
}
ul li {
  background-color: #10b981;
  color: white;
  padding: 0.5rem;
  margin: 0.5rem 0;
}