Make the paper leaf fall effect full screen. Thanks for contributing an answer to Stack Overflow! on CodePen. Explanation: First we have created a division in body of webpage with class heart. The first thing we need to set is the containers size. Anything interesting to share? About Vendor Prefixing. Thanks, Love this app ! What, no radial and linear gradient tricks? How can I detect when a signal becomes noisy? We have to first be able to create the hearts dynamically through scripting, the following scripts will do the job. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Then you can test to see if your image-loading code is working, without worrying about a bug in your random-choice code. You can also subscribe to our weekly newsletter at http://frontendweekly.co,