body {
  font-family: Arial, sans-serif;
  margin: 0;
  background: #f8f9fa;
}

header {
  background: #007bff;
  color: white;
  padding: 1rem;
  text-align: center;
}

main {
  padding: 20px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 15px;
}

.service-card {
  background: white;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  padding: 15px;
  width: 250px;
}

footer {
  text-align: center;
  padding: 10px;
  background: #343a40;
  color: white;
}