GUI -- App view -
- fix dialog button colors
- Capitalize action word

Change-Id: I11f619fe1f9055e4f5975e5c14c8b562e471fab7
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;
-}