.app {
  max-width: 800px;
  margin: auto;
  background: #fff;
  padding: 20px;
  font-family: sans-serif;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

.order {
  padding: 15px;
  margin-bottom: 10px;
  background: #f9f9f9;
  border-left: 4px solid #007cba;
}