Upload Button Tag. Table Use HTML input button for displaying the desired text. Also from Dudley Storey, Practical border-image: responsive picture frame, a CodePen demo. CodePen contents is a base64 encoded string that contains the files contents, Load Me! Once the folder is created, click on it. In other words, you can upload files directly to CodePen to use in the Pens that you build. Upload Make sure to hit the save button and you can start modifying the code from there. CodePen You can apply CSS to your Pen from any stylesheet on the web. Click the +Folder button at the top of the screen to create a new folder. Upload the zipped HTML file to the new folder. This is a collection of some impressive animated backgrounds created by various coders on Codepen. The Material Design Lite (MDL) button component is an enhanced version of the standard HTML