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<html><head><style>#myDiv { border: 1px solid #FF0000;}</style></head><body><div id="myDiv" style="padding:2cm 4cm 3cm 5cm;">This is a div.</div><br><button type="button" onclick="myFunction()">Return padding</button><script>function myFunction() { alert(document.getElementById("myDiv").style.padding);}</script></body></html>