Pen Settings

HTML

About HTML Preprocessors

HTML preprocessors can make writing HTML more powerful or convenient. For instance, Markdown is designed to be easier to write and read for text documents and you could write a loop in Pug.

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Adding Classes

In CodePen, whatever you write in the HTML editor is what goes within the <body> tags in a basic HTML5 template. So you don't have access to higher-up elements like the <html> tag. If you want to add classes there that can affect the whole document, this is the place to do it.

About the <head>

In CodePen, whatever you write in the HTML editor is what goes within the <body> tags in a basic HTML5 template. If you need things in the <head> of the document, put that code here.

!
Insecure Resource

The resource you are linking to is using the 'http' protocol, which may not work when the browser is using https.

CSS

About CSS Preprocessors

CSS preprocessors help make authoring CSS easier. All of them offer things like variables and mixins to provide convenient abstractions.

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CSS Base

About CSS Base

It's a common practice to apply CSS to a page that styles elements such that they are consistent across all browsers. We offer two of the most popular choices: normalize.css and a reset. Or, choose Neither and nothing will be applied.

Vendor Prefixing

About Vendor Prefixing

To get the best cross-browser support, it is a common practice to apply vendor prefixes to CSS properties and values that require them to work. For instance -webkit- or -moz-.

We offer two popular choices: Autoprefixer (which processes your CSS server-side) and -prefix-free (which applies prefixes via a script, client-side).

Add External Stylesheets/Pens

Any URLs added here will be added as <link>s in order, and before the CSS in the editor. You can use the CSS from another Pen by using its URL and the proper URL extension.

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About External Resources

You can apply CSS to your Pen from any stylesheet on the web. Just put a URL to it here and we'll apply it, in the order you have them, before the CSS in the Pen itself.

You can also link to another Pen here (use the .css URL Extension) and we'll pull the CSS from that Pen and include it. If it's using a matching preprocessor, use the appropriate URL Extension and we'll combine the code before preprocessing, so you can use the linked Pen as a true dependency.

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JavaScript

About JavaScript Preprocessors

JavaScript preprocessors can help make authoring JavaScript easier and more convenient.

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Babel includes JSX processing.

Add External Scripts/Pens

Any URL's added here will be added as <script>s in order, and run before the JavaScript in the editor. You can use the URL of any other Pen and it will include the JavaScript from that Pen.

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About External Resources

You can apply a script from anywhere on the web to your Pen. Just put a URL to it here and we'll add it, in the order you have them, before the JavaScript in the Pen itself.

If the script you link to has the file extension of a preprocessor, we'll attempt to process it before applying.

You can also link to another Pen here, and we'll pull the JavaScript from that Pen and include it. If it's using a matching preprocessor, we'll combine the code before preprocessing, so you can use the linked Pen as a true dependency.

Learn more

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Packages

Add Packages

Search for and use JavaScript packages from npm here. By selecting a package, an import statement will be added to the top of the JavaScript editor for this package.

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About Packages

Using packages here is powered by esm.sh, which makes packages from npm not only available on a CDN, but prepares them for native JavaScript ESM usage.

All packages are different, so refer to their docs for how they work.

If you're using React / ReactDOM, make sure to turn on Babel for the JSX processing.

Behavior

Auto Save

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.

Format on Save

If enabled, your code will be formatted when you actively save your Pen. Note: your code becomes un-folded during formatting.

Editor Settings

Code Indentation

Want to change your Syntax Highlighting theme, Fonts and more?

Visit your global Editor Settings.

HTML 

              
                <div class="grid-container">
  <div class="item-1">
    <a href="https://www.lambdatest.com/blog/best-ci-cd-tools/" class="card" target="_blank">
      <div class="thumb" style="background-image: url(https://www.lambdatest.com/blog/wp-content/uploads/2022/07/image27-3-1.png);"></div>
      <article>
        <h1>38 Best CI/CD Tools For 2023</h1>
        <span>Himanshu Sheth</span>
      </article>
    </a>
  </div>
  <div class="item-2">
    <a href="https://www.lambdatest.com/blog/selenium-manager-in-selenium-4-11-0/" class="card" target="_blank">
      <div class="thumb" style="background-image: url(https://www.lambdatest.com/blog/wp-content/uploads/2023/08/unnamed-60-1-1-1.png);"></div>
      <article>
        <h1>Selenium Manager in Selenium 4.11.0: New Features and Improvements</h1>
        <p>Selenium WebDriver, as everyone knows, is used for automating browsers. It is used widely by many organizations for web automation testing...</p>
        <span>Faisal Khatri</span>
      </article>
    </a>
  </div>
  <div class="item-3">
    <a href="https://www.lambdatest.com/blog/test-scenario-vs-test-case/" class="card" target="_blank">
      <div class="thumb" style="background-image: url(https://www.lambdatest.com/blog/wp-content/uploads/2023/07/test2520scenario2520vs2520test2520case2520og.png);"></div>
      <article>
        <h1>Test Scenario vs Test Case: Core Differences</h1>
        <p>Test scenario and test case are the two commonly used terms in the software testing domain. These terms are regarded as the building block of testing...</p>
        <span>Nazneen Ahmad</span>
      </article>
    </a>
  </div>
  <div class="item-4">
    <a href="https://www.lambdatest.com/blog/css-refactoring/" class="card" target="_blank">
      <div class="thumb" style="background-image: url(https://www.lambdatest.com/blog/wp-content/uploads/2023/03/unnamed252520-2525202023-03-15T174705.891.png);"></div>
      <article>
        <h1>A Complete Guide to CSS Refactoring</h1>
        <p>Being a front-end developer is like having the magical power to shape reality after it’s been created...</p>
        <span>Adarsh Gupta</span>
      </article>
    </a>
  </div>
  <div class="item-5">
    <a href="https://www.lambdatest.com/blog/css-cascade-layers/" class="card" target="_blank">
      <div class="thumb" style="background-image: url(https://www.lambdatest.com/blog/wp-content/uploads/2023/06/Complete-Guide-To-CSS-Cascade-Layers.png);"></div>
      <article>
        <h1>A Complete Guide To CSS Cascade Layers</h1>
        <p>“Design is not just what it looks like and feels like. Design is how it works,” – Steve Jobs. These words perfectly capture the essence of creating captivating websites...</p>
        <span>Tahera Alam</span>
      </article>
    </a>
  </div>
  <div class="item-6">
    <a href="https://www.lambdatest.com/blog/automating-react-virtual-dom-in-selenium/" class="card" target="_blank">
      <div class="thumb" style="background-image: url(https://www.lambdatest.com/blog/wp-content/uploads/2023/05/unnamed-2023-05-15T200510.802-1.png);"></div>
      <article>
        <h1>Using React Virtual DOM To Improve Web Application Performance</h1>
        <p>If you don’t know, HTML is the most widely used markup language for creating web pages supported by all major browsers like Google Chrome, Mozilla Firefox, and Safari...</p>
        <span>Bonnie</span>
      </article>
    </a>
  </div>
  <div class="item-7">
    <a href="https://www.lambdatest.com/blog/best-css-button-hover-effects/" class="card" target="_blank">
      <div class="thumb" style="background-image: url(https://www.lambdatest.com/blog/wp-content/uploads/2023/08/FI-1-1-1.png);"></div>
      <article>
        <h1>41 Best CSS Button Hover Effects in 2023</h1>
        <p>Buttons are everywhere on the web; they have proven to be an indispensable component of modern web design...</p>
        <span>Alex Anie</span>
      </article>
    </a>
  </div>
</div>
!

CSS 

              
                html {
  background: #f5f7f8;
  font-family: 'Roboto', sans-serif;
  -webkit-font-smoothing: antialiased;
  padding: 20px 0;
}

.grid-container {
  width: 90%;
  max-width: 1240px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: auto;
  grid-gap: 20px;
}

@media only screen and (min-width: 500px) {
  .grid-container {
    grid-template-columns: 1fr 1fr;
  }  
  .item-1 {
  grid-column: 1/ span 2;
  }
  .item-1 h1 {
    font-size: 30px;
  }
}

@media only screen and (min-width: 850px) {
  .grid-container {
    grid-template-columns: 1fr 1fr 1fr 1fr;
  }
}

/* card */

.card {
  min-height: 100%;
  background: white;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: #444;
  position: relative;
  top: 0;
  transition: all .1s ease-in;
}

.card:hover {
  top: -2px;
  box-shadow: 0 4px 5px rgba(0,0,0,0.2);
}

.card article {
  padding: 20px;
  display: flex;
  flex: 1;
  justify-content: space-between;
  flex-direction: column;
}
.card .thumb {
  padding-bottom: 60%;
  background-size: cover;
  background-position: center center;
}

.card p { 
  flex: 1; 
  line-height: 1.4;
}

h1 {
  font-size: 20px;
  margin: 0;
  color: #333;
}

.card span {
  font-size: 12px;
  font-weight: bold;
  color: #999;
  text-transform: uppercase;
  letter-spacing: .05em;
  margin: 2em 0 0 0;
}
!

JS
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999px

Console