White round spot in ionic menu


#1

There are two spots in my ionic app(marked in blue circle).I can’t find the reason for it.
Could any one please help.

Below is my ionic info,

cli packages:

@ionic/cli-plugin-proxy : 1.4.13
@ionic/cli-utils : 1.13.1
ionic (Ionic CLI) : 3.13.1
global packages:

cordova (Cordova CLI) : 7.1.0
local packages:

@ionic/app-scripts : 3.0.0
Cordova Platforms : android 6.3.0
Ionic Framework : ionic-angular 3.7.1
System:

Android SDK Tools : 26.0.2
Node : v6.10.2
npm : 5.5.1