.ampel-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100px;
    border: 2px solid #333;
    border-radius: 10px;
    padding: 10px;
    background-color: #555;
    margin: 20px auto;
}

.ampel-light {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    margin: 5px;
    background-color: #444;
}

.ampel-light.active {
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.8);
}

.green-light.active {
    background-color: #0c0;
}

.yellow-light.active {
    background-color: #ff0;
}

.red-light.active {
    background-color: #c00;
}