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

.counter-container {
    text-align: center;
}

h1 {
    font-size: 2em;
    margin-bottom: 20px;
}

#counter {
    font-size: 5em;
    font-weight: bold;
    margin-bottom: 20px;
}

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

.btn {
    padding: 10px 20px;
    font-size: 1.2em;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    color: white;
}

.btn-decrement {
    background-color: #f0ad4e;
}

.btn-reset {
    background-color: #d9534f;
}

.btn-increment {
    background-color: #5cb85c;
}