How do I create a CSS-only multi-level dropdown menu?
Alex K

Creating a CSS-only multi-level dropdown menu involves utilizing CSS selectors and positioning techniques to create nested dropdown menus without relying on JavaScript. Here's a step-by-step explanation of how you can create a CSS-only multi-level dropdown menu: HTML Markup: Start by creating the HTML structure for your dropdown menu. Use appropriate HTML elements to represent the menu items and nested submenus.

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nav class="dropdown-menu">
  <ul class="menu">
    <li class="menu-item">
      <a href="#">Menu Item 1</a>
      <ul class="submenu">
        <li><a href="#">Submenu Item 1</a></li>
        <li><a href="#">Submenu Item 2</a></li>
        <!-- Add more submenu items as needed -->
      </ul>
    </li>
    <li class="menu-item">
      <a href="#">Menu Item 2</a>
      <!-- Add more menu items with or without submenus as needed -->
    </li>
  </ul>
</nav>

CSS Styling: Apply the following CSS styles to create the multi-level dropdown menu:

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ropdown-menu {
  position: relative;
}

.menu {
  list-style: none;
  margin: 0;
  padding: 0;
}

.menu-item {
  position: relative;
}

.menu-item:hover > .submenu {
  display: block;
}

.submenu {
  display: none;
  position: absolute;
  top: 0;
  left: 100%;
  min-width: 200px;
}

.submenu li {
  position: relative;
}

.submenu li:hover > .submenu {
  display: block;
  top: 0;
  left: 100%;
  min-width: 200px;
}

In this example, the.dropdown-menu class represents the container element for the dropdown menu. Theposition: relative property is used to establish a positioning context for absolute positioning of submenus. The.menu class represents the top-level menu container, while the.menu-item class represents each individual menu item within the menu. Adjust the margin, padding, and other properties to style the menu items as desired. The.submenu class represents the nested submenu container. By default, the submenus are hidden (display: none) and positioned absolutely relative to their parent menu items. Theleft: 100% property positions the submenu to the right of its parent menu item, and themin-width property ensures a minimum width for the submenu. The:hover pseudo-class is used to display the submenus when hovering over their parent menu items. By targeting the.submenu class within the.menu-item:hover selector, the submenus are displayed (display: block) when their parent menu item is hovered. The.submenu li:hover > .submenu selector is used to display nested submenus when hovering over their parent submenu item. This allows for multi-level dropdown functionality. By applying these CSS styles, you can create a CSS-only multi-level dropdown menu. The submenus will be displayed when hovering over their parent menu items, and nested submenus will be shown as well. Adjust the styles, positioning, and appearance as per your design requirements. Remember to consider accessibility by providing keyboard navigation and focus styles for the menu items, as well as ARIA attributes to indicate the menu structure to screen readers.

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