body {
    font-family: Arial, sans-serif;
    text-align: center;
    margin: 20px;
}

.container {
    width: 300px;
    margin: auto;
    padding: 20px;
    border: 1px solid #ccc;
    border-radius: 8px;
    box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.1);
}

h1 {
    font-size: 50px;
    margin: 20px 0;
}

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

#increment {
    background-color: green;
    color: white;
}

#decrement {
    background-color: red;
    color: white;
}