#gst-calculator {
    max-width: 300px;
    margin: auto;
    padding: 20px;
    border: 1px solid #ccc;
    border-radius: 8px;
    box-shadow: 2px 2px 12px rgba(0, 0, 0, 0.1);
    text-align: center;
}

#gst-calculator input, #gst-calculator select, #gst-calculator button {
    width: 100%;
    margin: 10px 0;
    padding: 10px;
}

#gst-calculator button {
    background-color: #28a745;
    color: white;
    border: none;
    cursor: pointer;
}

#gst_result p {
    margin: 5px 0;
    font-weight: bold;
}