using a id in css code example
Example 1: how to call an id in css
<style>
#selector {
color: red;
}
/* # is id selector */
</style>
<div id="selector">
<p>This is an id</p>
</div>
Example 2: css how to style id
/*put a # infront of the id*/
/*<section id="example"></section>*/
#example{
margin: auto;
}