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

.product-grid-item .woodmart-buttons-alt {
	max-width: 300px;
	margin: 0 auto;
}

.product-grid-item .woodmart-buttons-alt div > a {
	display: block;
	color: white;
	border-radius: 0 !important;
	font-size: 12px;
	width: 100%;
	padding: 10px 14px;
	font-weight: bold;
	text-transform: uppercase;
}

.product-grid-item .woodmart-buttons-alt div > a:hover,
.product-grid-item .woodmart-buttons-alt div > a:focus {
	color: white;
	-webkit-box-shadow: inset 0 -2px 0 rgba(0,0,0,.15);
	box-shadow: inset 0 -2px 0 rgba(0,0,0,.15);
}

.product-grid-item .woodmart-buttons-alt #wcbpg_open_popup {
	padding: 10px 14px;
	text-decoration: none;
}

.product-grid-item .woodmart-buttons-alt div > a > span {
    -webkit-transform: none !important;
    transform: none !important;
}

.product-grid-item .woodmart-buttons-alt div > a:before {
	display: none !important;
}

.product-grid-item .wrap-wishlist-button i {
	display: none;
}

.product-grid-item .woodmart-buttons-alt .yith_ywraq_add_item_product_message {
	display: none !important;
}

.product-grid-item .wrap-wishlist-button,
.product-grid-item .woodmart-add-btn > a,
.product-grid-item .woodmart-add-btn > div {
	margin-bottom: 5px !important;
}

.product-grid-item .woodmart-buttons-alt div > a,
.product-grid-item .woodmart-buttons-alt div > a {
		background-color: #83B735 !important;
}

.product-grid-item .woodmart-buttons-alt div > a:hover,
.product-grid-item .woodmart-buttons-alt div > a:focus {
		background-color: #6ca300 !important;
}

Also, add this code snippet to the Mobile Custom CSS area to display compare icon on mobile.

.woodmart-hover-base.product-no-swatches .wrapp-swatches,
.woodmart-hover-base .product-compare-button {
	display: block;
}

Regards