JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/selectize.js/0.14.0/js/selectize.min.js"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/selectize.js/0.14.0/css/selectize.css">
	<form name="pageFilterForm" id="pageFilterForm" method="POST" class="col grid_12_of_12">
		
		<input type="hidden" name="customer_id" value="125" id="customer_id">
		
		<select name="saleCatFilter" id="saleCatFilter" class="saleCatFilter" multiple>
			<option value="">All Sale Categories</option>
			<option value="1">Customer</option>
			<option value="2">Internal</option>
			<option value="3">Warranty</option>
		</select>
		
		<select name="saleTypeFilter" id="saleTypeFilter" class="saleTypeFilter" multiple>
			<option value="">All Sale Types</option>
			<option value="1">CUSTOMER</option>
			<option value="2">INTERNAL</option>
			<option value="3">WARRANTY</option>
		</select>
		
		<a href="" class="small dark_blue">reset</a>
	</form>

CSS

#pageFilterForm {
	display: flex;
	justify-content: center;
	align-items: center;
}

#pageFilterForm #saleCatFilter,
#pageFilterForm #saleTypeFilter {
	display:none;
}

#pageFilterForm .selectize-control {
	margin-right: 0.5rem;
	min-width: 180px;
	max-width: 25%;
	text-align: left;
}

#pageFilterForm .saleCatFilter {
	margin-left: 0.5rem;
}

JavaScript

$( function() {
	$saleCatFilter = $("#saleCatFilter").selectize({
		plugins: ['remove_button'],
		placeholder: 'All Sale Categories',
		closeAfterSelect: true,
		onChange: function(value) {
			trackEvent('PartsDeptPerformance', 'PageFilter', 'FilterSaleCat');
			$saleCatFilter.blur();
		},
		onItemRemove: function(value) {
			$saleCatFilter.close();
			$saleCatFilter.focus();
		}
	});
	
	$saleTypeFilter = $("#saleTypeFilter").selectize({
		plugins: ['remove_button'],
		placeholder: 'All Sale Types',
		closeAfterSelect: true,
		onChange: function(value) {
			trackEvent('PartsDeptPerformance', 'PageFilter', 'FilterSaleType');
			$saleTypeFilter.blur();
		},
		onItemRemove: function(value) {
			$saleTypeFilter.close();
			$saleTypeFilter.focus();
		}
	});
});