Hello,
1, 2) Please provide us with wp-admin access in Private Content.
3) Please add this code in custom.css file.
.products-grid .product .product-name{
font-size: 11px;
}
Here is a video tutorial how to create custom.css: https://www.youtube.com/watch?v=Qok2zRedRMY&feature=youtu.be.
Regards,
Robert Hall.