Hello,

Please add this code to the Theme Settings > Custom CSS > Global:

@media (max-width: 768px){
.offcanvas-sidebar-mobile .shop-content-area:not(.col-lg-12) .woodmart-woo-breadcrumbs {
    border-bottom: none!important;
}
}

You can translate all theme and plugin texts via PO file in WordPress. Here is a video tutorial that should help you translate your website texts with a Loco Translate plugin https://www.youtube.com/watch?v=D3NsDdMzsls&list=PLMw6W4rAaOgKKv0oexGHzpWBg1imvrval&index=3

Best Regards