diff --git a/src/main/resources/default/wiki.css b/src/main/resources/default/wiki.css
index 22bce83..79dd006 100644
--- a/src/main/resources/default/wiki.css
+++ b/src/main/resources/default/wiki.css
@@ -15,6 +15,7 @@ body {
 p {
     line-height: 150% !important;
     margin: 0px !important;
+    padding-top: 10px !important;
 }
 
 a,a:link,a:visited {
@@ -114,10 +115,6 @@ H6, .heading-1-1-1-1-1-1 {
 
  BEGINNING OF COPY'N'PASTE STYLES from wiki.css (lists, tables, code, hint, polarion-Document-workitem...)*/
 
-p {
-    padding-top: 10px !important;
-}
-
 ul {
     margin: 1em 0 !important;
     padding: 0px 0px 0px 40px !important;
diff --git a/src/main/resources/webapp/pdf-exporter-admin/pages/localization.jsp b/src/main/resources/webapp/pdf-exporter-admin/pages/localization.jsp
index ff21bd2..7c85399 100644
--- a/src/main/resources/webapp/pdf-exporter-admin/pages/localization.jsp
+++ b/src/main/resources/webapp/pdf-exporter-admin/pages/localization.jsp
@@ -135,7 +135,7 @@
 
         <p>Supported localizations for workitems statuses and severities.</p>
         <p>Supported languages are German, French and Italian.</p>
-        <p>Localization for each language can be imported in XLIFF 2.0 format <a href="https://docs.oasis-open.org/xliff/xliff-core/v2.0/os/xliff-core-v2.0-os.html" target="_blank">XLIFF 2.0 specification</a></p>
+        <p>Localization for each language can be imported in XLIFF 2.0 format <a href="https://docs.oasis-open.org/xliff/xliff-core/v2.0/os/xliff-core-v2.0-os.html" target="_blank" rel="noopener">XLIFF 2.0 specification</a></p>
 
     </div>
 </div>
diff --git a/src/main/resources/webapp/pdf-exporter/js/export-pdf.js b/src/main/resources/webapp/pdf-exporter/js/export-pdf.js
index f76e9c9..b7c4feb 100644
--- a/src/main/resources/webapp/pdf-exporter/js/export-pdf.js
+++ b/src/main/resources/webapp/pdf-exporter/js/export-pdf.js
@@ -125,6 +125,7 @@ function prepareRequest(projectId, locationPath) {
             return undefined;
         }
     }
+
     let numberedListStyles = null;
     if (document.getElementById("custom-list-styles").checked) {
         numberedListStyles = document.getElementById("numbered-list-styles").value;
@@ -138,13 +139,14 @@ function prepareRequest(projectId, locationPath) {
 
     const selectedRoles = [];
     if (document.getElementById("selected-roles").checked) {
-        for (const opt of document.getElementById("roles-selector").options) {
-            if (opt.selected) {
-                selectedRoles.push(opt.value);
-            }
-        }
+        const selectedOptions = Array.from(document.getElementById("roles-selector").options).filter(opt => opt.selected);
+        selectedRoles.push(...selectedOptions.map(opt => opt.value));
     }
 
+    return buildRequestJson(projectId, locationPath, selectedChapters, numberedListStyles, selectedRoles);
+}
+
+function buildRequestJson(projectId, locationPath, selectedChapters, numberedListStyles, selectedRoles) {
     return JSON.stringify({
         projectId: projectId,
         locationPath: locationPath,
diff --git a/src/main/resources/webapp/pdf-exporter/js/pdf-exporter.js b/src/main/resources/webapp/pdf-exporter/js/pdf-exporter.js
index 8bd8388..2c406b1 100644
--- a/src/main/resources/webapp/pdf-exporter/js/pdf-exporter.js
+++ b/src/main/resources/webapp/pdf-exporter/js/pdf-exporter.js
@@ -516,6 +516,7 @@ const PdfExporter = {
                 return undefined;
             }
         }
+
         let numberedListStyles = null;
         if (document.getElementById("popup-custom-list-styles").checked) {
             numberedListStyles = document.getElementById("popup-numbered-list-styles").value;
@@ -529,13 +530,14 @@ const PdfExporter = {
 
         const selectedRoles = [];
         if (document.getElementById("popup-selected-roles").checked) {
-            for (const opt of document.getElementById("popup-roles-selector").options) {
-                if (opt.selected) {
-                    selectedRoles.push(opt.value);
-                }
-            }
+            const selectedOptions = Array.from(document.getElementById("popup-roles-selector").options).filter(opt => opt.selected);
+            selectedRoles.push(...selectedOptions.map(opt => opt.value));
         }
 
+        return this.buildRequestJson(selectedChapters, numberedListStyles, selectedRoles);
+    },
+
+    buildRequestJson: function (selectedChapters, numberedListStyles, selectedRoles) {
         const report = this.exportContext.documentType === "report";
         return JSON.stringify({
             projectId: this.exportContext.getProjectId(),
@@ -557,7 +559,7 @@ const PdfExporter = {
             cutEmptyWIAttributes: !report && document.getElementById('popup-cut-empty-wi-attributes').checked,
             cutLocalUrls: document.getElementById("popup-cut-urls").checked,
             followHTMLPresentationalHints: document.getElementById("popup-presentational-hints").checked,
-            numberedListStyles: document.getElementById("popup-numbered-list-styles").value,
+            numberedListStyles: numberedListStyles,
             chapters: selectedChapters,
             language: !report && document.getElementById('popup-localization').checked ? document.getElementById("popup-language").value : null,
             liveDocumentLanguage: this.exportContext.liveDocumentLanguage,
@@ -605,7 +607,7 @@ const PdfExporter = {
     },
 
     visibleIf: function (elementId, condition) {
-        document.getElementById(elementId).style.display = condition ? "visible" : "hidden";
+        document.getElementById(elementId).style.visibility = condition ? "visible" : "hidden";
     },
 
     setSelector: function (elementId, value) {