To add custom CSS in the wordpress admin area, you can use this function, in your function file
WP requirement of ThemeForest and found out you need to use the Envato Theme Check plugin.
Using the WooCommerce Variation Swatches plugin , you can add product variation attributes to your products that help users to choose and find expected products from variations. For example, you can add T-shirt size and color as a variable for what you sell in your store. Thus, whenever users come to your site for purchasing…
Manually you can import the Demo Data on Dashboard > Your Theme > Import/Export. Here you choose your demo and install it. Follow this video step by step :