body {
  font-family: 'Segoe UI', sans-serif;
  background-color: #f4f4f4;
  color: #222;
  margin: 0;
  padding: 0;
  text-align: center;
}

header {
  background-color: #e60012;
  color: white;
  padding: 1rem;
}

h1 {
  margin: 0;
  font-size: 2rem;
}

h2 {
  margin: 0;
  font-size: 1.2rem;
  font-weight: normal;
}

main {
  padding: 1rem;
}

section {
  background: white;
  margin: 1rem auto;
  max-width: 600px;
  padding: 1rem;
  border-radius: 8px;
  box-shadow: 0 0 8px rgba(0,0,0,0.1);
}

.balls {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin: 1rem 0;
}

.ball {
  background: #ffd700;
  color: #000;
  font-weight: bold;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  line-height: 40px;
}

footer {
  background: #333;
  color: white;
  padding: 1rem;
  font-size: 0.9rem;
}