diff --git a/web/gui/src/main/webapp/app/fw/layer/dialog.css b/web/gui/src/main/webapp/app/fw/layer/dialog.css
index 2c04992..1e7b9af 100644
--- a/web/gui/src/main/webapp/app/fw/layer/dialog.css
+++ b/web/gui/src/main/webapp/app/fw/layer/dialog.css
@@ -40,11 +40,8 @@
     padding: 2px 6px;
     margin: 4px;
     float: right;
+    /* color works for both light and dark themes */
+    background-color: #c55;
+    color: white;
 }
 
-.light .dialog .dialog-button {
-    background-color: #fec;
-}
-.dark .dialog .dialog-button {
-    background-color: #369;
-}
diff --git a/web/gui/src/main/webapp/app/view/app/app.js b/web/gui/src/main/webapp/app/view/app/app.js
index 4938eaf..2cca7c0 100644
--- a/web/gui/src/main/webapp/app/view/app/app.js
+++ b/web/gui/src/main/webapp/app/view/app/app.js
@@ -326,9 +326,13 @@
             ['scroll down', 'See more apps']
         ]);
 
+        function capitalize(s) {
+            return s ? s[0].toUpperCase() + s.slice(1) : s;
+        }
+
         function createConfirmationText(action, itemId) {
             var content = ds.createDiv();
-            content.append('p').text(action + ' ' + itemId);
+            content.append('p').text(capitalize(action) + ' ' + itemId);
             if (strongWarning[itemId]) {
                 content.append('p').text(discouragement).classed('strong', true);
             }