Hello, @TFS,
1. You have to go to XStore >> Theme Settings >> Breadcrumbs and change the Text Transform from there: https://postimg.cc/zyWjKNSg
2. a) Please copy and paste the below-given CSS code to XStore >> Theme Settings >> Theme Custom CSS >> Global CSS and check back to your site after removing the browser cache.
.woocommerce-cart .coupon input#coupon_code {
text-transform: capitalize !important;
}
2. a) Please watch and follow the instructions shown in this video, which I have captured for you: https://www.veed.io/view/9ae588ca-e3d6-4212-aea3-f44d538ebb2f?sharingWidget=true&panel=share
2. b) Please watch this video I have captured for you: https://www.veed.io/view/3f5b363c-ddfa-4437-98b9-e472b329014d?sharingWidget=true&panel=share
Regards 8Themes Team.