* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: rgb(82, 170, 170);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.container {
    background-color: #ffffff;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    text-align: center;
}

h1 {
    margin-bottom: 20px;
    color: #333;
}

#bulb {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background-color: white;
    border: 4px solid #333;
    margin: 20px auto;
    transition: background-color 0.3s ease;
}

.controls {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
    margin-top: 20px;
}

button {
    padding: 10px 20px;
    background-color: #4caf50;
    border: none;
    color: white;
    font-weight: bold;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #388e3c;
}