body {
    font-family: Arial, sans-serif;
    background: #111;
    color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.stopwatch-container {
    text-align: center;
    background: #222;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.1);
}

h1 {
    margin-bottom: 20px;
    font-size: 2rem;
}

.time-display {
    font-size: 3rem;
    margin-bottom: 20px;
    font-weight: bold;
}

.buttons button {
    background: #ff4d4d;
    border: none;
    padding: 10px 20px;
    margin: 5px;
    font-size: 1rem;
    border-radius: 5px;
    cursor: pointer;
    color: white;
    transition: 0.2s;
}

.buttons button:hover {
    background: #ff1a1a;
}