CSS, or Cascading Style Sheets, defines the look and formatting of that HTML. Both are essential to coding your own website, and here's how to get acquainted with them.

In CSS, you can create keyframes and use them for animations on different elements of your Web pages, including buttons. Keyframes consist of a single, reusable animation with properties set at ...

Since the button click passes -1 as div1's value and 1 as div2's value, the code makes div2 appear on top of div1 when it runs. Paste the following CSS code into the document's section: ...