added control titles

app/ui/okDialog.js

@@ -5,7 +5,11 @@ module.exports = function(message) {
     return html`
       <send-ok-dialog class="flex flex-col max-w-xs p-4">
         <div class="text-center m-8 leading-normal">${message}</div>
-        <button class="btn rounded-lg w-full flex-no-shrink" onclick="${close}">
+        <button
+          class="btn rounded-lg w-full flex-no-shrink"
+          onclick="${close}"
+          title="${state.translate('okButton')}"
+        >
           ${state.translate('okButton')}
         </button>
       </send-ok-dialog>