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

              
                <!-- From an Aerotwist tutorial by Paul Lewis: https://aerotwist.com/tutorials/creating-a-circular-reveal/  
-->

<div class="circular-reveal">
    <div class="circular-reveal__content">
      <!-- Pop your photo here :) -->
      <img src="https://res.cloudinary.com/duq3b11nz/image/upload/e_bgremoval/v1542322446/darkstarinvert_buvexf.png" alt="darkstar">
    </div>
  </div>
<!--
 Copyright (C) 2018 by Paul Lewis
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
 in the Software without restriction, including without limitation the rights
 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 copies of the Software, and to permit persons to whom the Software is
 furnished to do so, subject to the following conditions:
 
 The above copyright notice and this permission notice shall be included in
 all copies or substantial portions of the Software.
 
 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
-->
              
            
!

CSS

              
                html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  font-family: "DIN Condensed", Arial, Helvetica, sans-serif;
  background: url("https://res.cloudinary.com/duq3b11nz/image/upload/v1542322444/space_dot9zt.png");
  background-size: cover;
}

body {
  display: flex;
  align-items: center;
  justify-content: center;
}

.circular-reveal {
  width: 256px;
  height: 256px;
  border-radius: 50%;
  overflow: hidden;
  cursor: pointer;
}

.circular-reveal img {
  width: 100%;
}

.circular-reveal::after {
  content: 'REVEAL';
  position: absolute;
  background: rgba(149, 116, 215, 0.509);
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #000;
  font-size: 60px;
  transition: transform 0.2s cubic-bezier(0, 0, 0.3, 1),
      opacity 0.2s cubic-bezier(0, 0, 0.3, 1);
  transform: rotate(30deg);
  opacity: 0;
}

.circular-reveal:hover::after {
  transform: rotate(0deg);
  opacity: 1;
}

/**
 * Copyright (C) 2018 by Paul Lewis
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
              
            
!

JS

              
                (function() {
  const element = document.querySelector(".circular-reveal");
  const inner = document.querySelector(".circular-reveal__content");

  const easing = 0.3;
  const outScale = 0.6;
  const inScale = 1;
  let targetScale = outScale;
  let elementScale = targetScale;
  let innerScale = 1 / elementScale;

  element.addEventListener("pointerover", () => {
    targetScale = inScale;
  });

  element.addEventListener("pointerout", () => {
    targetScale = outScale;
  });

  const update = () => {
    elementScale += (targetScale - elementScale) * easing;
    innerScale = 1 / elementScale;

    element.style.transform = `scale(${elementScale})`;
    inner.style.transform = `scale(${innerScale})`;

    requestAnimationFrame(update);
  };

  requestAnimationFrame(update);
})();

/**
 * Copyright (C) 2018 by Paul Lewis
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
              
            
!
999px

Console