Easily add custom body classes to your site using the following code inside your Child Theme's PHP files.

freelancer-add-custom-body-classes.php

// Add a single body class through a string.
freelancer_add_body_classes( 'my-custom-body-class' );

// Add multiple body classes through an array.
freelancer_add_body_classes( array( 'my-custom-body-class', 'another-body-class' ) );