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<html><head><style>#DIV1 { height: 200px; width: 200px; margin: auto; border: 1px solid black;}#DIV2 { width: 150px; height: 150px; border: 1px solid black; background-color: coral; transform: rotate(45deg); animation: mymove 5s infinite;}@keyframes mymove { 50% {transform-origin: 0 0 0;}}#DIV2original { position: absolute; width: 150px; height: 150px; border: 1px dashed grey; background-color: lightgrey; opacity: 0.5;}</style></head><body><h1>Animation of transform-origin</h1><p>Gradually change the transform-origin from "50% 50% 0" to "0 0 0", and back:<p><p><b>Note: </b>The grey DIV element indicates where the DIV2 element would be without the transformation.</p><div id="DIV1">DIV1 <div id="DIV2original">DIV2</div> <div id="DIV2">DIV2</div></div></body></html>