5.6 Create a CSS File
The stylesheet has the color, font, and style specifications for all the UI elements such as buttons, side navigation, main page, links, etc., on the web page.
Class Name: src/main/webapp/css/app.css
Github Location : app.css
Steps to use the CSS file:
- Download the 
app.cssfile. - Include the stylesheet in all the HTML pages of the HR Web application by adding the
                following line of code in the 
<head>section of the HTML page.<link rel="stylesheet" type="text/css" href="css/app.css">