cssAudio - Activefile-genericCSS - ActiveGeneric - ActiveHTML - ActiveImage - ActiveJS - ActiveSVG - ActiveText - Activefile-genericVideo - ActiveLovehtmlicon-new-collectionicon-personicon-teamlog-outoctocatpop-outspinnerstartv

Pen Settings

CSS Base

Vendor Prefixing

Add External CSS

These stylesheets will be added in this order and before the code you write in the CSS editor. You can also add another Pen here, and it will pull the CSS from it. Try typing "font" or "ribbon" below.

Quick-add: + add another resource

Add External JavaScript

These scripts will run in this order and before the code in the JavaScript editor. You can also link to another Pen here, and it will run the JavaScript from it. Also try typing the name of any popular library.

Quick-add: + add another resource

Code Indentation

     

Save Automatically?

If active, Pens will autosave every 30 seconds after being saved once.

Auto-Updating Preview

If enabled, the preview panel updates automatically as you code. If disabled, use the "Run" button to update.

            
              <!-- This demo uses float grid but you can use flex grid too -->

<div class="row">
  <div class="columns">
    <h2>Drilldown Menu</h2>
    <p>Popularized by iOS, Drilldown menu is a series of nested lists which converts itself into a vertical drilldown menu.</p>
    <div class="primary callout">
      <p>The drilldown menu takes on the height of the tallest menu in the hierarchy, so the menu doesn't change height as the user navigates it.</p>
    </div>
  </div>
</div>

<div class="row">
  <div class="columns">
    <ul class="vertical menu" data-drilldown style="width: 200px" id="m1">
      <li>
        <a href="#0">Item 1</a>
        <ul class="vertical menu" id="m2">
          <li>
            <a href="#0">Item 1A</a>
            <ul class="vertical menu" id="m3">
              <li><a href="#0">Item 1Aa</a></li>
              <li><a href="#0">Item 1Ba</a></li>
              <li><a href="#0">Item 1Ca</a></li>
              <li><a href="#0">Item 1Da</a></li>
              <li><a href="#0">Item 1Ea</a></li>
            </ul>
          </li>
          <li><a href="#0">Item 1B</a></li>
          <li><a href="#0">Item 1C</a></li>
          <li><a href="#0">Item 1D</a></li>
          <li><a href="#0">Item 1E</a></li>
        </ul>
      </li>
      <li>
        <a href="#0">Item 2</a>
        <ul class="vertical menu">
          <li><a href="#0">Item 2A</a></li>
          <li><a href="#0">Item 2B</a></li>
          <li><a href="#0">Item 2C</a></li>
          <li><a href="#0">Item 2D</a></li>
          <li><a href="#0">Item 2E</a></li>
        </ul>
      </li>
      <li>
        <a href="#0">Item 3</a>
        <ul class="vertical menu">
          <li><a href="#0">Item 3A</a></li>
          <li><a href="#0">Item 3B</a></li>
          <li><a href="#0">Item 3C</a></li>
          <li><a href="#0">Item 3D</a></li>
          <li><a href="#0">Item 3E</a></li>
        </ul>
      </li>
      <li><a href='#0'> Item 4</a></li>
    </ul>
  </div>
</div>
            
          
!
999px
Close

Asset uploading is a PRO feature.

As a PRO member, you can drag-and-drop upload files here to use as resources. Images, Libraries, JSON data... anything you want. You can even edit them anytime, like any other code on CodePen.

Go PRO

Loading ..................

Console