woocommerce/plugins/woocommerce-admin/client/header/activity-panel/activity-outbound-link/style.scss

.woocommerce-layout__activity-panel-outbound-link {
	display: flex;
	justify-content: space-between;
	align-items: center;
	height: 50px;
	background: $gray-200;
	border-bottom: 1px solid $gray-100;
	padding: $gap $fallback-gutter;
	padding: $gap $gutter;
	font-size: 13px;
	font-weight: 500;
	line-height: 18px;
	margin: 0;
	text-decoration: none;

	.gridicon {
		display: none;
	}

	&:hover {
		background: $studio-white;
	}

	&:active {
		background: $gray-100;
	}

	&:focus {
		background: $gray-200;
		box-shadow: inset 0 0 0 1px $box-shadow-blue,
			inset 0 0 0 2px $studio-white;
	}

	&:hover,
	&:focus {
		.gridicon {
			display: initial;
		}
	}

	&:active {
		.gridicon {
			display: initial;
		}
	}
}