BUTTON SHAPE AND COLOR
Buy One Get One Free Plugin Woocommerce allows you to personalize its button to match your theme standards.
Point 1. Write your own CSS or edit the one provided. Leave this blank if you want to use your theme’s;
Point 2. Write the button classname. It can either be a new one (in case you add your own CSS) or a class belonging to your theme;
Buy One Get One Free Plugin Woocommerce allows you to translate its button in your own language. Just edit points 3. 4. 6. and 8.
SHOW EMPTY CART BUTTON
Check/uncheck point 5. to show/hide the Empty Cart button on cart-page.