Preview:
// Coupon Env
		$( 'div.woocommerce' ).on( 'click', '.coupon-env .coupon-enter', function( ev ) {
			ev.preventDefault();
			
			var $couponEnv = $( this ).parent(),
				$input = $couponEnv.find('.form-control');
			
			$couponEnv.addClass('coupon-visible');

			setTimeout(function(){ $input.focus(); }, 200);
		} ).on( 'click', '.coupon-env .close-coupon', function( ev ) {
			ev.preventDefault();
			
			$( this ).closest( '.coupon-env' ).removeClass('coupon-visible');
		} );
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