change style using css with id code example

Example 1: css how to style id

/*put a # infront of the id*/
/*<section id="example"></section>*/
#example{
	margin: auto;
}

Example 2: change style javascript by id change css

<html>
<body>
<p id="p2">Hello World!</p>
<script>
//document.getElementById(id).style.property = new style 
document.getElementById("p2").style.color = "blue";

</script>
<p>The paragraph above was changed by a script.</p>
</body>
</html>

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Javascript Example

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