               href="https://github.com/RxLaboratory/Duik"
                        >
                            Source code
                        </a>
                    
                        <a
                            class="link user-link "
                            href="http://duik.rxlab.guide"
                        >
                            User guide
                        </a>
                    
                        <a
                            class="link user-link "
     