Uncomment the 'focus child container' line

Install/Templates/i3/config

@@ -98,7 +98,7 @@ bindsym $mod+space focus mode_toggle
 bindsym $mod+a focus parent
 
 # focus the child container
-#bindsym $mod+e focus child
+bindsym $mod+e focus child
 
 # move the currently focused window to the scratchpad
 bindsym $mod+Shift+semicolon move scratchpad