inline css design code example
Example 1: external style sheet
<link rel="stylesheet" type="text/css" href="mystyle.css">
Example 2: add external css to html
<link rel="stylesheet" type="text/css" href="style.css">
<link rel="stylesheet" type="text/css" href="mystyle.css">
<link rel="stylesheet" type="text/css" href="style.css">