.prescription-modal {
    display: none;
    position: fixed;
    top: 20%;
    left: 50%;
    transform: translate(-50%, -20%);
    background: #fff;
    border: 1px solid #ddd;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    padding: 20px;
    z-index: 1000;
    border-radius: 10px;
    width: 50%;
}

@media (max-width: 800px) {
    .prescription-modal {
        width: 80%;
    }
}

#buyNowModal {
    display: none;
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, .5);
    z-index: 9999;
}

#buyNowModal .modal-content {
    background: #fff;
    max-width: 400px;
    margin: 100px auto;
    padding: 20px;
    text-align: center;
    position: relative;
    border-radius: 5px;
}