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

.container {
    text-align: center;
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.sentence {
    font-size: 24px;
    margin-bottom: 20px;
}

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

button {
    padding: 10px 20px;
    font-size: 18px;
    border: none;
    cursor: pointer;
    border-radius: 5px;
}

button:hover {
    opacity: 0.8;
}

button:nth-child(1) {
    background-color: #4CAF50;
    color: white;
}

button:nth-child(2) {
    background-color: #f44336;
    color: white;
}

button:nth-child(3) {
    background-color: #ff9800;
    color: white;
}

#result {
    margin-top: 20px;
    font-size: 20px;
    font-weight: bold;
}