Long dropdowns
Dropdowns with a large height
Sometimes it is necessary to use dropdowns with many items. In these cases the dropdowns have a large height and this can cause problems in certain screen sizes. See below how to limit the dropdown height.
1 - Follow the documentation and set up a navigation bar with a simple menu:
<nav id="navigation" class="navigation"> <div class="navigation-header"> <div class="navigation-brand-text"> <a href="#">NAVIGATION</a> </div> <div class="navigation-button-toggler"> <i class="hamburger-icon"></i> </div> </div> <div class="navigation-body"> <div class="navigation-body-header"> <div class="navigation-brand-text"> <a href="#">NAVIGATION</a> </div> <span class="navigation-body-close-button">✕</span> </div> <ul class="navigation-menu"> <li class="navigation-item is-active"> <a class="navigation-link" href="#">Home</a> </li> <li class="navigation-item"> <a class="navigation-link" href="#">Services</a> </li> <li class="navigation-item"> <a class="navigation-link" href="#">Blog</a> </li> <li class="navigation-item"> <a class="navigation-link" href="#">Contact</a> </li> </ul> </div> </nav>
2 - Add a dropdown with a lot of items:
<nav id="navigation" class="navigation"> <div class="navigation-header"> <div class="navigation-brand-text"> <a href="#">NAVIGATION</a> </div> <div class="navigation-button-toggler"> <i class="hamburger-icon"></i> </div> </div> <div class="navigation-body"> <div class="navigation-body-header"> <div class="navigation-brand-text"> <a href="#">NAVIGATION</a> </div> <span class="navigation-body-close-button">✕</span> </div> <ul class="navigation-menu"> <li class="navigation-item is-active"> <a class="navigation-link" href="#">Home</a> </li> <li class="navigation-item"> <a class="navigation-link" href="#">Services</a> <ul class="navigation-dropdown"> <li class="navigation-dropdown-item"> <a class="navigation-dropdown-link" href="#">Dropdown item</a> </li> <li class="navigation-dropdown-item"> <a class="navigation-dropdown-link" href="#">Dropdown item</a> </li> <li class="navigation-dropdown-item"> <a class="navigation-dropdown-link" href="#">Dropdown item</a> </li> <li class="navigation-dropdown-item"> <a class="navigation-dropdown-link" href="#">Dropdown item</a> </li> <li class="navigation-dropdown-item"> <a class="navigation-dropdown-link" href="#">Dropdown item</a> </li> <li class="navigation-dropdown-item"> <a class="navigation-dropdown-link" href="#">Dropdown item</a> </li> <li class="navigation-dropdown-item"> <a class="navigation-dropdown-link" href="#">Dropdown item</a> </li> <li class="navigation-dropdown-item"> <a class="navigation-dropdown-link" href="#">Dropdown item</a> </li> <li class="navigation-dropdown-item"> <a class="navigation-dropdown-link" href="#">Dropdown item</a> </li> <li class="navigation-dropdown-item"> <a class="navigation-dropdown-link" href="#">Dropdown item</a> </li> <li class="navigation-dropdown-item"> <a class="navigation-dropdown-link" href="#">Dropdown item</a> </li> <li class="navigation-dropdown-item"> <a class="navigation-dropdown-link" href="#">Dropdown item</a> </li> </ul> </li> <li class="navigation-item"> <a class="navigation-link" href="#">Blog</a> </li> <li class="navigation-item"> <a class="navigation-link" href="#">Contact</a> </li> </ul> </div> </nav>
This is not a problem in mobile devices. So we'll define the CSS code to work only in large devices:
@media (min-width: 992px){ .navigation-dropdown{ max-height: 300px !important; overflow-y: auto !important; } }
You need to modify the "min-width" value above if you have modified the breakpoint value.
The result:
You can modify the value of the "max-height" property to the value that you want. See the list of tutorials for other ways to modify the navigation bar and add features.