javascript to apply style to entire web page code example
Example 1: how to link your css file to html
<head>
<link rel='stylesheet' href='style.css'>
</head>Example 2: how to write css in html
<p style="color: blue; font-size: 46px;"><head>
<link rel='stylesheet' href='style.css'>
</head><p style="color: blue; font-size: 46px;">