Hello,

1. The product category has the option I mentioned: https://gyazo.com/137430367c5eab4d0731ce3bcee5b353

Post categories inherit the image that is set for the blog page: https://xtemos.com/docs-topic/options-for-pages/

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

2.

.blog-design-masonry .post-title {
    min-height: 100px;
}

3.

.wd-add-btn-replace .add-to-cart-loop:before {
    display:none;
}
body .wd-add-btn-replace .add-to-cart-loop:before {
    content: "";
    font-family: "woodmart-font";
    background-image: url(https://brestmeat.ru/wp-content/uploads/2023/10/open-page.png)!important;
    background-size: contain;
    background-position: center center;
    background-repeat: no-repeat;
}

If you have any questions please feel free to contact us.
Best Regards