internel css code example
Example 1: add stylesheet html
<link rel="stylesheet" type="text/css" href="style.css">
Example 2: external css
<html>
<head>
<link rel="stylesheet" type="text/css" href="mystyle.css"></link>
</head>
<body>
Example 3: internal css
<!DOCTYPE html>
<html>
<head>
<style>
body {background-color: powderblue;}
h1 {color: blue;}
p {color: red;}
</style>
</head>
<body>
<h1>This is a heading</h1>
<p>This is a paragraph.</p>
</body>
</html>
Example 4: css interne
<head>
<style type="text/css">
p {color:white; font-size: 10px;}
.center {display: block; margin: 0 auto;}
#button-go, #button-back {border: solid 1px black;}
</style>
</head>