cssAudio - ActiveCSS - ActiveGeneric - ActiveHTML - ActiveImage - ActiveJS - ActiveSVG - ActiveText - Activefile-genericVideo - Activehtmlicon-personicon-teamoctocatspinnerstartv

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.

            
              <h1>CSS <code>:nth-child()</code> pseudo-class</h1>
<p>Very basic examples of how to use the <code>:nth-child()</code> pseudo-class.</p>
<div class="flex-ctnr">
    <ol class="ex1">
        <li>Alpha</li>
        <li>Beta</li>
        <li>Gamma</li>
        <li>Delta</li>
        <li>Epsilon</li>
        <li>Zeta</li>
        <li>Eta</li>
        <li>Theta</li>
        <li>Iota</li>
        <li>Kappa</li>
    </ol>
    <ol class="ex2">
        <li>Alpha</li>
        <li>Beta</li>
        <li>Gamma</li>
        <li>Delta</li>
        <li>Epsilon</li>
        <li>Zeta</li>
        <li>Eta</li>
        <li>Theta</li>
        <li>Iota</li>
        <li>Kappa</li>
    </ol>
    <ol class="ex3">
        <li>Alpha</li>
        <li>Beta</li>
        <li>Gamma</li>
        <li>Delta</li>
        <li>Epsilon</li>
        <li>Zeta</li>
        <li>Eta</li>
        <li>Theta</li>
        <li>Iota</li>
        <li>Kappa</li>
    </ol>
    <ol class="ex4">
        <li>Alpha</li>
        <li>Beta</li>
        <li>Gamma</li>
        <li>Delta</li>
        <li>Epsilon</li>
        <li>Zeta</li>
        <li>Eta</li>
        <li>Theta</li>
        <li>Iota</li>
        <li>Kappa</li>
    </ol>
</div>
<section class="external-resources">
    <h2>Resources for <code>:nth</code></h2>   
    <ul>
        <li>Lea Verou’s - <em>CSS3 structural pseudo-class selector tester</em>: <a href="http://lea.verou.me/demos/nth.html" target="_blank" title="Link opens in a new tab">http://lea.verou.me/demos/nth.html</a></li>
        <li>CSS-Tricks’ - <em>:nth Tester</em>: <a href="https://css-tricks.com/examples/nth-child-tester/" target="_blank" title="Link opens in a new tab">https://css-tricks.com/examples/nth-child-tester/</a></li>
    </ul>
</section>
            
          
!
            
              //1. Select the second child. Only Beta will be red
.ex1 :nth-child(2) { color: #2963BD; }

//2. Select every other child starting with the second. Beta, Delta, Zeta, Theta and Kappa will be red
.ex2 :nth-child(2n) { color: #429032; }
//Which is the same as selecting all EVEN child elements
.ex2 :nth-child(even) { color: #429032; }

//3. Select every other child starting with the first. Alpha, Gamma, Epsilon, Eta and Iota will be red
.ex3 :nth-child(2n+1) { color: #c03; }
//Which is the same as selecting all ODD child elements
.ex3 :nth-child(odd) { color: #c03; }

//4. Select every other child starting from the sixth. Zeta, Theta and Kappa will be red:
.ex4 :nth-child(2n+6) { color: #c90; }


//Styling stuff not needed for demo
h1 {
    text-transform: none;
    border-bottom: #636363 1px dotted;
    code {
        display: inline-block;
        margin-bottom: 10px;
        color: $y;
        background: none;
        box-shadow: none;
    }
}
code { font-size: .8em; }
ol {
    width: 200px;
    margin: 10px 10px 30px;
    padding: 20px 20px 10px 50px;
    border-radius: 2px;
    text-align: left;
    font-size: 1em;
    background: rgba(black,.2);
    position: relative;
    &:before {
        display: inline-block;
        padding: 10px;        
        position: absolute;
        top: -27px; left: 0;
        line-height: .5;
        color: rgba(white,.6);
        font-size: 14px;
        border-radius: 5px 5px 0 0;
        background: rgba(black,.5);
    }    
}
.ex1:before { content: "example 1"; color: $b; }
.ex2:before { content: "example 2"; color: $g; }
.ex3:before { content: "example 3"; color: $r; }
.ex4:before { content: "example 4"; color: $y; }

.flex-ctnr {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    max-width: 900px;
    margin: 60px auto 0;
}
.external-resources {
    text-align: left;
}
            
          
!
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