Pen Settings

HTML

CSS

CSS Base

Vendor Prefixing

Add External Stylesheets/Pens

Any URL's 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 it's URL and the proper URL extention.

+ add another resource

JavaScript

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.

+ add another resource

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.

Behavior

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.

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

              
                inner-box<svg style="display: none;" xmlns="http://www.w3.org/2000/svg">
  
  <symbol id="codepen-logo" viewBox="-1 0 122 120"><path class="outer-ring" d="M60,0C26.863,0,0,26.863,0,60c0,33.138,26.863,60,60,60c33.137,0,60-26.861,60-60C120,26.863,93.138,0,60,0z M60,110.146
		C32.35,110.146,9.854,87.65,9.854,60S32.35,9.854,60,9.854c27.65,0,50.145,22.496,50.145,50.146S87.65,110.146,60,110.146z"/>
	<path class="inner-box" part="inner-box" d="M97.071,48.281c-0.007-0.047-0.019-0.092-0.026-0.139c-0.016-0.09-0.032-0.18-0.056-0.267
		c-0.014-0.053-0.033-0.104-0.05-0.154c-0.025-0.078-0.051-0.156-0.082-0.232c-0.021-0.053-0.047-0.105-0.071-0.156
		c-0.033-0.072-0.068-0.142-0.108-0.21c-0.029-0.051-0.061-0.1-0.091-0.148c-0.043-0.066-0.087-0.131-0.135-0.193
		c-0.035-0.047-0.072-0.093-0.109-0.138c-0.051-0.059-0.104-0.117-0.159-0.172c-0.042-0.043-0.083-0.086-0.127-0.125
		c-0.059-0.053-0.119-0.104-0.18-0.152c-0.048-0.037-0.095-0.074-0.145-0.109c-0.019-0.012-0.035-0.027-0.053-0.039L61.769,23.438
		c-1.071-0.714-2.466-0.714-3.537,0L24.321,46.045c-0.018,0.012-0.034,0.027-0.053,0.039c-0.05,0.035-0.097,0.072-0.144,0.109
		c-0.062,0.049-0.123,0.1-0.181,0.152c-0.045,0.039-0.086,0.082-0.128,0.125c-0.055,0.055-0.108,0.113-0.158,0.172
		c-0.038,0.045-0.075,0.091-0.11,0.138c-0.047,0.062-0.092,0.127-0.134,0.193c-0.032,0.049-0.062,0.098-0.092,0.148
		c-0.039,0.068-0.074,0.139-0.108,0.21c-0.024,0.051-0.049,0.104-0.071,0.156c-0.031,0.076-0.057,0.154-0.082,0.232
		c-0.017,0.051-0.035,0.102-0.05,0.154c-0.023,0.087-0.039,0.177-0.056,0.267c-0.008,0.047-0.02,0.092-0.025,0.139
		c-0.019,0.137-0.029,0.275-0.029,0.416v22.607c0,0.141,0.011,0.279,0.029,0.418c0.006,0.045,0.018,0.092,0.025,0.137
		c0.017,0.09,0.032,0.18,0.056,0.268c0.015,0.053,0.033,0.104,0.05,0.154c0.025,0.078,0.051,0.155,0.082,0.233
		c0.021,0.053,0.047,0.104,0.071,0.154c0.034,0.072,0.069,0.143,0.108,0.213c0.029,0.049,0.06,0.098,0.092,0.146
		c0.042,0.066,0.087,0.131,0.134,0.193c0.035,0.049,0.072,0.094,0.11,0.139c0.05,0.059,0.103,0.117,0.158,0.172
		c0.042,0.043,0.083,0.086,0.128,0.124c0.058,0.053,0.118,0.104,0.181,0.152c0.047,0.037,0.094,0.074,0.144,0.109
		c0.019,0.012,0.035,0.027,0.053,0.039l33.911,22.607c0.536,0.357,1.152,0.537,1.769,0.537c0.616,0,1.233-0.18,1.768-0.537
		L95.68,73.956c0.018-0.012,0.034-0.027,0.053-0.039c0.05-0.035,0.097-0.072,0.145-0.109c0.061-0.049,0.121-0.1,0.18-0.152
		c0.044-0.038,0.085-0.081,0.127-0.124c0.056-0.055,0.108-0.113,0.159-0.172c0.037-0.045,0.074-0.09,0.109-0.139
		c0.048-0.062,0.092-0.127,0.135-0.193c0.03-0.049,0.062-0.098,0.091-0.146c0.04-0.07,0.075-0.141,0.108-0.213
		c0.024-0.051,0.05-0.102,0.071-0.154c0.031-0.078,0.057-0.155,0.082-0.233c0.017-0.051,0.036-0.102,0.05-0.154
		c0.023-0.088,0.04-0.178,0.056-0.268c0.008-0.045,0.02-0.092,0.026-0.137c0.018-0.139,0.028-0.277,0.028-0.418V48.697
		C97.1,48.557,97.089,48.418,97.071,48.281z M63.188,32.048L88.17,48.701l-11.158,7.465l-13.823-9.247V32.048z M56.812,32.048
		v14.871l-13.822,9.247l-11.159-7.465L56.812,32.048z M29.278,54.665L37.255,60l-7.977,5.335V54.665z M56.812,87.953L31.831,71.3
		l11.159-7.463l13.822,9.245V87.953z M60,67.543L48.723,60L60,52.458L71.276,60L60,67.543z M63.188,87.953V73.082l13.823-9.245
		L88.17,71.3L63.188,87.953z M90.723,65.336L82.746,60l7.977-5.335V65.336z"/></symbol>

</svg>



<svg class="logo">
  <use class="logo-use" xlink:href="#codepen-logo"></use>
</svg>
<svg class="logo logo-2">
  <use class="logo-use" xlink:href="#codepen-logo"></use>
</svg>
<svg class="logo logo-3">
  <use class="logo-use" xlink:href="#codepen-logo"></use>
</svg>
              
            
!

CSS

              
                .logo {
  width: 150px;
  height: 150px;
}
body {
  text-align: center;
}

// This will cascade through
.logo {
  fill: black;
}
.logo-2 {
  fill: red;
}
.logo-3 {
  fill: lightblue;
}
.logo-2 use::part(inner-box) {
  fill: orange;
}
.logo-3 use::part(inner-box) {
  fill: green;
}

              
            
!

JS

              
                
              
            
!
999px

Console