body {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  font-family: Arial, sans-serif;
  overflow: hidden;
}

#gameCanvas {
  background: linear-gradient(to bottom, #87ceeb 0%, #98d8e8 100%);
  border: 3px solid #2c3e50;
  border-radius: 10px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  width: 100vw;
  height: 50vh;
}