Hello,
I have checked your website, and the issue is caused by the custom CSS added in:
Appearance > Customize > Additional CSS:
The following CSS code is affecting the Add to Cart button in the product grid:
.wd-product.wd-hover-fw-button .wd-add-btn .add-to-cart-loop span {
display: block !important;
overflow: hidden;
padding: 12px;
line-height: 18px;
font-size: 17px!important;
text-overflow: ellipsis;
white-space: nowrap;
}
Try to remove the custom css code and check the issue. If you want to change the add to ocart design, use this css code in Theme Settings > Custom CSS.
.wd-product.wd-hover-fw-button .wd-add-btn .add-to-cart-loop span {
display: inline-flex !important;
align-items: center !important;
padding: 0 !important;
line-height: 1 !important;
font-size: 15px !important;
text-overflow: ellipsis;
white-space: nowrap;
}
Best Regards