Reply To: Filter to button

Try to add the following code snippet to the Custom CSS area in Theme Settings

.shop-loop-head .basel-filter-buttons .open-filters {
	color: white!important;
	background: #000000;
	padding:8px 24px 8px 12px!important;
}

.shop-loop-head .basel-filter-buttons .open-filters:after, 
.shop-loop-head .basel-filter-buttons .open-filters:before {
	background:#fff!important;
	right: 7px!important;
  top: 17px!important;
}