body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(to right, #6a11cb, #2575fc);
  color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
}

.container {
  text-align: center;
  background: rgba(0, 0, 0, 0.3);
  padding: 40px;
  border-radius: 20px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
}

h1 {
  margin-bottom: 20px;
  font-size: 3em;
}

.stopwatch {
  font-size: 3em;
  margin-bottom: 20px;
  font-weight: bold;
}

.buttons button {
  background: rgba(255,255,255,0.2);
  border: none;
  color: #fff;
  padding: 10px 20px;
  margin: 5px;
  font-size: 1em;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.3s, transform 0.2s;
}

.buttons button:hover {
  background: rgba(255,255,255,0.4);
  transform: scale(1.1);
}

ul#laps {
  list-style: none;
  padding: 0;
  margin-top: 20px;
  max-height: 150px;
  overflow-y: auto;
  text-align: left;
}

ul#laps li {
  background: rgba(255,255,255,0.2);
  margin: 5px 0;
  padding: 5px 10px;
  border-radius: 5px;
}