body {
  font-family: Arial, sans-serif;
  background: linear-gradient(to right, #6a11cb, #2575fc);
  color: white;
  text-align: center;
  padding-top: 100px;
  margin: 0;
}

.container {
  background: rgba(0, 0, 0, 0.3);
  padding: 40px;
  border-radius: 15px;
  width: 300px;
  margin: auto;
}

#display {
  font-size: 48px;
  margin: 20px 0;
}

.buttons button {
  padding: 10px 20px;
  margin: 10px 5px;
  font-size: 16px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  background-color: white;
  color: #333;
  transition: 0.3s;
}

.buttons button:hover {
  background-color: #ddd;
}

#laps {
  list-style-type: none;
  padding: 0;
  margin-top: 20px;
}

#laps li {
  background-color: white;
  color: #333;
  margin: 5px;
  padding: 8px;
  border-radius: 5px;
}

@media (max-width: 500px) {
  .container {
    padding: 20px;
    width: 90%;
    max-width: 300px;
  }

  h1 {
    font-size: 24px;
    margin-bottom: 20px;
  }

  #display {
    font-size: 32px;
    padding: 15px;
  }

  .buttons {
    flex-direction: column;
    gap: 10px;
  }

  button {
    width: 100%;
    padding: 12px;
    font-size: 16px;
  }

  #laps {
    font-size: 14px;
    max-height: 200px;
    overflow-y: auto;
  }
}