Symptoms

---

When selecting Theme color Rose, the ▼ arrow icon on the application navigator does not display unless you hover over it. 

Release

---

All releases

Cause

---

This is by design of the theme, the color of the arrow is the same as the menu item's background color.

Resolution

---

You can change the color with the following steps:

1. Navigate to System UI > Themes
2. On the List View, find the record named Rose and open it.
3. Find the line with variable name $subnav-background-color

    /* Background for expanded navigation items */
   
   $subnav-background-color: #C12E3C

4. Change the hexadecimal color value to a darker or lighter one, as you see fit.
5. Save the change and reload your browser to apply the change.