Issue with ION-LIST

<form #loginForm="ngForm" novalidate>
			<ion-label color="primary" stacked>Contact No</ion-label>
			<ion-input color="primary" placeholder="Contact No" [(ngModel)]="" name="phone" type="number" #phone="ngModel"
			 spellcheck="false" autocapitalize="off" required>

		<div padding>
			<button ion-button round color="primary" (click)="onLogin(loginForm)" block> Get OTP</button>

			<button margin-top ion-button round color="primary" (click)="onSignup()" block>Sign Up</button>

i deleted theme folder.

Still getting black ION-List if I remove ION-LIST then my font become white. so cant able to see input.