using an id in css code example

Example 1: css id

<style>
	#your_id{
		color: blue;
		font-size: 24px;
	}
</style>
<h1 id="your_id">Example text</h1>

Example 2: css how to style id

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

Example 3: referance html id css

<style>
  #test {
  /*Styleing here*/
  }
</style>
<h1 id="test"></h1>

Example 4: div id css

<p class="haut">
<a href="#haut">Haut de page</a>
</p>