How do I add Custom CSS

WordPress comes with an easy, built-in way to add custom CSS (Cascading Style Sheets) in the Customizer.

To add custom CSS markup, go to your WordPress admin, and Appearance > Customize.

Click on the Additional CSS section, place your custom CSS code in the text area, and hit Publish.

Additional CSS section in WordPress Customizer
Adding custom CSS

Note: In the above screenshot

body {
	background-color: #ddd;
}

is only provided as an example. You will have to add the CSS needed for your website.