#gst-calculator {
    max-width: 400px;
    margin: 0 auto;
    padding: 20px;
    border: 1px solid #ccc;
    border-radius: 10px;
    text-align: center;
    background-color: #f9f9f9;
}

#gst-calculator label {
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 10px;
    display: block;
}

#gst-calculator input[type="number"] {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

#gst-calculator select {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

#gst-calculator button {
    padding: 10px 20px;
    background-color: #0073aa;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

#gst-calculator button:hover {
    background-color: #005177;
}

#gst-result {
    margin-top: 20px;
    font-size: 16px;
    text-align: left;
}

#gst-result p {
    margin: 10px 0;
}