HTML Introduction to HTML and CSS Make It Beautiful With CSS Test: Styling by Element and Class

border

index.html
<!doctype html>
<html>
  <head>
    <link href="styles.css" rel="stylesheet">
  </head>
  <body>

    <p class= "main-pg"> My amazing website </p>

  </body>
</html>
styles.css
.main-pg {
  border: 4px solid blue;
}