how to centrally align in html code example

Example 1: html align right

<p style="text-align:right;">Example</p>

Example 2: centering in html

<style>
  element
  {
    text-align: center;
  }
</style>
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style.css
element
{
	text-align: center;
}

Example 3: align centre

.headerTwoDiv{
			margin:1% auto;
			margin-right: auto; margin-left: auto; width: 21%; 
			padding-top: 11px;
		}