body {
    font-family: Arial, sans-serif;
    background-color: #f5f5f5;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.container {
    text-align: center;
    background: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1 {
    margin-bottom: 20px;
}

.buttons {
    margin-bottom: 20px;
}

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

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

.result {
    font-size: 18px;
    color: #333;
    min-height: 50px;
}

@media (max-width: 600px) {
    h1 {
        font-size: 24px;
    }

    button {
        width: 100%;
        font-size: 14px;
    }
}