Persisting original styles of the passed element (built files).

assets/scripts/dist/choices.js

@@ -351,7 +351,9 @@ return /******/ (function(modules) { // webpackBootstrap
 	      // Reinstate passed element
 	      this.passedElement.classList.remove(this.config.classNames.input, this.config.classNames.hiddenState);
 	      this.passedElement.removeAttribute('tabindex');
-	      this.passedElement.removeAttribute('style');
+	      // restore original styles if any
+	      this.passedElement.setAttribute('style', this.passedElement.getAttribute('data-choices-js-orig-style'));
+	      this.passedElement.removeAttribute('data-choices-js-orig-style');
 	      this.passedElement.removeAttribute('aria-hidden');
 	      this.passedElement.removeAttribute('data-choice');
 
@@ -1154,7 +1156,7 @@ return /******/ (function(modules) { // webpackBootstrap
 
 	    /**
 	     * Populate options via ajax callback
-	     * @param  {Function} fn Passed
+	     * @param  {Function} fn Function that actually makes an AJAX request
 	     * @return {Object} Class instance
 	     * @public
 	     */
@@ -2617,6 +2619,8 @@ return /******/ (function(modules) { // webpackBootstrap
 	      this.passedElement.classList.add(this.config.classNames.input, this.config.classNames.hiddenState);
 
 	      this.passedElement.tabIndex = '-1';
+	      // persist original styles if any
+	      this.passedElement.setAttribute('data-choices-js-orig-style', this.passedElement.getAttribute('style'));
 	      this.passedElement.setAttribute('style', 'display:none;');
 	      this.passedElement.setAttribute('aria-hidden', 'true');
 	      this.passedElement.setAttribute('data-choice', 'active');