Reply To: Product categories Issue

Hello,

Please try to use the below custom CSS code and paste it to Theme Settings >> Custom CSS >> Global CSS section:

.category-grid-item .category-link {
	border: 4px solid black;
	border-radius: 40px;
	
}
.category-grid-item .category-link:hover {
		border: 4px solid green !important;
	}

Change the code as per your need.

Best Regards.