.gst-calculator-container {
    max-width: 400px;
    margin: 0 auto;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 10px;
    background-color: #f9f9f9;
}

.gst-calculator-container h2 {
    text-align: center;
    margin-bottom: 20px;
}

.gst-calculator-container label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

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

.gst-calculator-container button {
    width: 100%;
    padding: 10px;
    background-color: #0073aa;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

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

#gst-result {
    margin-top: 20px;
    padding: 15px;
    background-color: #e9e9e9;
    border-radius: 5px;
}

#gst-result p {
    margin: 0;
    font-size: 16px;
    line-height: 1.6;
}