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

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

.container {
    text-align: center;
    padding: 20px;
    background-color: #fff;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    max-width: 400px;
}

h1 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: #333;
}

.button-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.sound-button {
    padding: 15px;
    font-size: 1.2rem;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 8px;
    transition: background-color 0.3s ease;
    cursor: pointer;
}

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

.sound-button:active {
    transform: scale(0.95);
}