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<html><style>#container { width: 400px; height: 400px; position: relative; background: yellow;}#animate { width: 50px; height: 50px; position: absolute; background: red;}</style><body><h2>My First JavaScript Animation</h2><div id="container"><div id="animate"></div></div></body><!-- Mirrored from www.w3schools.com/js/tryit.asp?filename=tryjs_dom_animate_2 by HTTrack Website Copier/3.x [XR&CO'2014], Wed, 21 Dec 2022 17:06:56 GMT --></html>