diff --git a/public/pdfjs/web/viewer.css b/public/pdfjs/web/viewer.css
index 9febd42d..1af7e699 100644
--- a/public/pdfjs/web/viewer.css
+++ b/public/pdfjs/web/viewer.css
@@ -2690,3 +2690,7 @@ dialog :link {
     display: none;
   }
 }
+
+.hidden-dom {
+  display: none;
+}
\ No newline at end of file
diff --git a/public/pdfjs/web/viewer.html b/public/pdfjs/web/viewer.html
index 36d9a9f7..dc6bba31 100644
--- a/public/pdfjs/web/viewer.html
+++ b/public/pdfjs/web/viewer.html
@@ -262,25 +262,25 @@ See https://github.com/adobe-type-tools/cmap-resources
                 <span id="numPages" class="toolbarLabel"></span>
               </div>
               <div id="toolbarViewerRight">
-                <button id="openFile" class="toolbarButton hiddenLargeView" title="Open File" tabindex="31" data-l10n-id="open_file">
+                <button id="openFile" class="toolbarButton hiddenLargeView hidden-dom" title="Open File" tabindex="31" data-l10n-id="open_file">
                   <span data-l10n-id="open_file_label">Open</span>
                 </button>
 
-                <button id="print" class="toolbarButton hiddenMediumView" title="Print" tabindex="32" data-l10n-id="print">
+                <button id="print" class="toolbarButton hiddenMediumView hidden-dom" title="Print" tabindex="32" data-l10n-id="print">
                   <span data-l10n-id="print_label">Print</span>
                 </button>
 
-                <button id="download" class="toolbarButton hiddenMediumView" title="Save" tabindex="33" data-l10n-id="save">
+                <button id="download" class="toolbarButton hiddenMediumView hidden-dom" title="Save" tabindex="33" data-l10n-id="save">
                   <span data-l10n-id="save_label">Save</span>
                 </button>
 
-                <div class="verticalToolbarSeparator hiddenMediumView"></div>
+                <div class="verticalToolbarSeparator hiddenMediumView hidden-dom"></div>
 
                 <div id="editorModeButtons" class="splitToolbarButton toggled" role="radiogroup">
-                  <button id="editorFreeText" class="toolbarButton" disabled="disabled" title="Text" role="radio" aria-checked="false" tabindex="34" data-l10n-id="editor_free_text2">
+                  <button id="editorFreeText" class="toolbarButton hidden-dom" disabled="disabled" title="Text" role="radio" aria-checked="false" tabindex="34" data-l10n-id="editor_free_text2">
                     <span data-l10n-id="editor_free_text2_label">Text</span>
                   </button>
-                  <button id="editorInk" class="toolbarButton" disabled="disabled" title="Draw" role="radio" aria-checked="false" tabindex="35" data-l10n-id="editor_ink2">
+                  <button id="editorInk" class="toolbarButton hidden-dom" disabled="disabled" title="Draw" role="radio" aria-checked="false" tabindex="35" data-l10n-id="editor_ink2">
                     <span data-l10n-id="editor_ink2_label">Draw</span>
                   </button>
                 </div>