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Responsive Mega Mega Dropdown Menu for website






Mega Dropdown





A responsive and easy to customise mega-dropdown component.A responsive mega dropdown component with sub-categories. Here is a quick animation we put together to show you our mobile vs desktop approach:











Quick animation








Creating the structure




The HTML is structured in 2 main elements: the <header>, containing the dropdown (.cd-dropdown-wrapper), and the <main> for all the main content.

The .cd-dropdown-wrapper contains a .cd-dropdown-trigger, to trigger the dropdown, and a .cd-dropdown, which is composed of nested unordered lists.





<header>
	<div class="cd-dropdown-wrapper">
		<a class="cd-dropdown-trigger" href="#0">Dropdown</a>
		<nav class="cd-dropdown">
			<h2>Title</h2>
			<a href="#0" class="cd-close">Close</a>
			<ul class="cd-dropdown-content">
				<li>
					<form class="cd-search">
						<input type="search" placeholder="Search...">
					</form>
				</li>
				<li class="has-children">
					<a href="#0">Clothing</a>
 
					<ul class="cd-secondary-dropdown is-hidden">
						<li class="go-back"><a href="#0">Menu</a></li>
						<li class="see-all"><a href="#0">All Clothing</a></li>
						<li class="has-children">
							<a href="#0">Accessories</a>
 
							<ul class="is-hidden">
								<li class="go-back"><a href="#0">Clothing</a></li>
								<li class="see-all"><a href="#0">All Accessories</a></li>
								<li class="has-children">
									<a href="#0">Beanies</a>
 
									<ul class="is-hidden">
										<li class="go-back"><a href="#0">Accessories</a></li>
										<li class="see-all"><a href="#0">All Benies</a></li>
										<li><a href="#0">Caps &amp; Hats</a></li>
										<!-- other list items here -->
									</ul>
								</li>
								<li class="has-children">
									<a href="#0">Caps &amp; Hats</a>
 
									<ul class="is-hidden">
										<li class="go-back"><a href="#0">Accessories</a></li>
										<li class="see-all"><a href="#0">All Caps &amp; Hats</a></li>
										<li><a href="#0">Beanies</a></li>
										<!-- other list items here -->
									</ul>
								</li>
								<li><a href="#0">Glasses</a></li>
								<!-- other list items here -->
							</ul>
						</li>
 
						<li class="has-children">
							<!-- other list items here -->
						</li>
 
						<li class="has-children">
							<!-- other list items here -->
						</li>
 
						<li class="has-children">
							<!-- other list items here -->
						</li>
					</ul> <!-- .cd-secondary-dropdown -->
				</li> <!-- .has-children -->
 
				<li class="has-children">
					<!-- other list items here -->
				</li> <!-- .has-children -->
 
				<li class="has-children">
					<!-- other list items here -->
				</li> <!-- .has-children -->
 
				<li class="cd-divider">Divider</li>
 
				<li><a href="#0">Page 1</a></li>
				<!-- other list items here -->
 
			</ul> <!-- .cd-dropdown-content -->
		</nav> <!-- .cd-dropdown -->
	</div> <!-- .cd-dropdown-wrapper -->
</header>
 
<main class="cd-main-content">
	<!-- your content here -->
</main>





Adding style




For mobile devices, the basic idea was to let the user focus totally on the dropdown content, once it has been activated.

This is why we assigned a fixed position to the dropdown, and set its width and height to 100%. By default, it is hidden right above the viewport (translateY(-100%)). When the user clicks the trigger element, the .dropdown-is-active class is added to the dropdown which is translated back into the viewport.



.cd-dropdown {
  position: fixed;
  z-index: 1;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  transform: translateY(-100%);
  transition: transform 0.5s;
}
.cd-dropdown.dropdown-is-active {
  transform: translateY(0);
}




When user selects a new sublevel in the dropdown, the visible items are translated to the left outside the viewport (using the .move-out class), while the new items slide back into the viewport (removing the class .is-hidden class from their

    parent element).


.cd-dropdown-content.is-hidden, .cd-dropdown-content ul.is-hidden {
  /* push the secondary dropdown items to the right */
  transform: translateX(100%);
}
 
.cd-dropdown-content.move-out > li > a, .cd-dropdown-content ul.move-out > li > a {
  /* push the dropdown items to the left when secondary dropdown slides in */
  transform: translateX(-100%);
}






On bigger devices (viewport width bigger than 1024px), instead, there’s enough space to place content side by side, with no need to replace the visible content.




@media only screen and (min-width: 1024px) {

  .cd-dropdown {

    position: absolute;

    top: 100%;

    /* reset style*/

    height: auto;

    width: auto;

    opacity: 0;

    visibility: hidden;

    transform: translateY(30px);

    transition: opacity 0.3s 0s, visibility 0s 0.3s, transform 0.3s 0s;

  }

  .cd-dropdown.dropdown-is-active {

    visibility: visible;

    opacity: 1;

    transform: translateY(0);

    transition: opacity 0.3s 0s, visibility 0.3s 0s, transform 0.3s 0s;

  }



  .cd-dropdown-content {

    /* reset mobile style */

    position: static;

    height: auto;

    width: 280px;

  }

  .cd-dropdown-content .cd-secondary-dropdown, .cd-dropdown-content .cd-dropdown-gallery, .cd-dropdown-content .cd-dropdown-icons {

    transform: translateX(0);

    left: 100%;

    height: auto;

  }

  .cd-dropdown-content .cd-secondary-dropdown.is-hidden, .cd-dropdown-content .cd-dropdown-gallery.is-hidden, .cd-dropdown-content .cd-dropdown-icons.is-hidden {

    /* reset mobile style */

    transform: translateX(0);

  }

  .cd-dropdown-content > .has-children > ul {

    visibility: hidden;

  }

  .cd-dropdown-content > .has-children:hover > ul {

    /* when hover over .cd-dropdown-content items - show subnavigation */

    visibility: visible;

  }

  .cd-dropdown-content > .has-children:hover > .cd-secondary-dropdown > li > ul {

    /* if .cd-secondary-dropdown is visible - show also subnavigation */

    visibility: visible;

  }

}




Changelog



JUN 17, 2015


  • Bug fixed on mobile version - prevent default when tapping on .has-children direct children




MAY 15, 2015


  • Integrated menu-aid plugin to detect diagonal movement

  • Created the .open-to-left class to open dropdown on the left

  • Added support for laptops with touchscreen




MAY 13, 2015


  • Resource released by CodyHouse














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