how to usee css on html page code example
Example 1: css in html
<!-- EXAMPLE -->
<div class="your_class" style="display:none">
<!--[SYNTAX: style="<CSS-code>"] -->
Example 2: how to css html
<html>
<head>
<style>
body{
direction:rtl;
}
</style>
</head>
<body>
</body>
</html>