Overview of Custom CSS usage in the Theme settings
Easily customize your store's overall appearance by utilizing the Custom CSS entry form. By adding valid CSS entries, you can successfully modify the default styles of your chosen theme.
Example of a CSS entry made in the Theme settings:
Please note, this is different from the section-level options.
If you need to target CSS for individual sections only, use the entry form that's included at the section level.
Click the link below to view Shopify's official documentation about customer CSS: