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                  <a href="http://getbootstrap.com/docs/4.3/components/modal/" class="nav-link text-small" target="_blank">Modals </a>

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                  <a href="http://getbootstrap.com/docs/4.3/components/navbar/" class="nav-link text-small" target="_blank">Navbars </a>

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                  <a href="http://getbootstrap.com/docs/4.3/c