body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: #f4f4f4;
}

.container {
    text-align: center;
}

h1 {
    margin-bottom: 20px;
}

.buttons {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

button {
    padding: 10px 20px;
    font-size: 16px;
    color: white;
    background-color: #007bff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #0056b3;
}

#indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-left: 10px;
}

#indicator.green {
    background-color: green;
}

#indicator.red {
    background-color: red;
}