Topic: I wanted to change the shape of the buy button on the individual page of the pro

Hello,

Theme Options > Styling > Customize buttons > Dark buttons options.
Please provide a screenshot for better understanding the desired result.

Regards

Hello,

1) please clear cache and check one more time – http://prntscr.com/lozqbn
2) Try to add this code in functions.php file of your child theme:

remove_action('woocommerce_single_product_summary', 'woocommerce_template_single_add_to_cart', 30);
add_action('woocommerce_single_product_summary', 'woocommerce_template_single_add_to_cart', 7);

Regards

Hello,

You are using additional plugins to add new elements on the single product page.
Here is a list of default elements of the page http://prntscr.com/lpz6uz try to change order value in the above code http://prntscr.com/lpz87q or contact support of the additional plugin.
We are theme support and we are able to help you only with questions related strictly to our theme.

Regards

You’re welcome!

Regards