body {
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
  margin: 0;
  padding: 0;
  color: #333;
}

header {
  background-color: #0d1117;
  color: #fff;
  padding: 2rem;
  text-align: center;
}

section {
  padding: 2rem;
  background-color: #fff;
  margin: 1rem auto;
  width: 80%;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

.project-card {
  border: 1px solid #ddd;
  padding: 1rem;
  margin-bottom: 1rem;
  border-radius: 8px;
}

footer {
  background-color: #0d1117;
  color: #fff;
  text-align: center;
  padding: 1rem;
}