css calling tags code example

Example 1: css how to style a div

/*
<div class="#">
	<p>Hello World</p>
</div>
*/
/*put a dot in front of the name from your class*/
.#{
	display: block;
  	margin: auto;
  	width: 50%;
}

Example 2: how to use css

<link rel="stylesheet" href="stylesheet.css">
<div class="mydiv"></div>
<style>
.mydiv {
background-color: /*Color*/;
color: /*Another color*/;
}
</style>