问如何消除移动应用程序(Ionic)顶部的空白？

EN

  <ion-content class="slides-scss">

  <ion-slides pager>
   <ion-slide *ngFor="let slide of slides">

  <ion-toolbar>
    <ion-buttons end>
      <button ion-button color="primary" [navPush]=closeSlides>Skip</button>
    </ion-buttons>
  </ion-toolbar>

  <ion-footer>
    <ion-row>
          <button ion-button [(navPush)] = "signUp">Sign Up</button>
          <button ion-button [(navPush)] = "login">Login</button>
    </ion-row>
  </ion-footer>

  <img [src]="slide.image" class="slide-image"/>
  <h2 class="slide-title" [innerHTML]="slide.title"></h2>
  <p [innerHTML]="slide.description"></p>

 </ion-slide>

<ion-slide>
  <ion-toolbar>
  </ion-toolbar>
  <!-- <img src="assets/img/ica-slidebox-img-4.png" class="slide-image"/> -->
  <h2 class="slide-title">Sign Up Today!</h2>
  <button ion-button large clear icon-end color="primary" [navPush]=signUp>
    Sign Up
    <ion-icon name="arrow-forward"></ion-icon>
  </button>
</ion-slide>
</ion-slides>
</ion-content>

import { Component } from '@angular/core';
import { TabsPage } from '../tabs/tabs';
import { NavController } from 'ionic-angular';
import { SignupPage } from '../signup/signup';
import { LoginPage } from '../login/login';

@Component({
 templateUrl: 'slides.html'
})
export class SlidesPage {

constructor (public navCtrl: NavController) {}

slides = [
    {
        title: "Welcome to Village!",
        description: "Meet ...kljsfdlfj.",
        image: "https://data.whicdn.com/images/219181569/large.jpg"
    },
    {
        title: "Connect & Build Community",
        description: "So you never feel alone.",
        image: "assets/imgs/singapore.jpg"
    }
];

closeSlides = LoginPage;
signUp = SignupPage;
login = LoginPage;

}

.slides-scss {
 .swiper-pagination-bullet-active {
   background: black;
 }

 .toolbar-background {
   background: linen;
   border-color: transparent;
 }

 .slide-zoom {
   height: 100%;
 }

 .slide-title {
   margin-top: 8.8rem;
   padding:  10px;
 }

  h2 {
   position: relative; 
  }

  p {
   padding: 0 40px;
   font-size: 14px;
   line-height: 1.5;
   color: #60646B;
   position: relative;

 b {
   color: #000000;
 }
}

ion-slide {
  background-color: linen;
 }

.slide-image {
  height: 100%;
  width: auto;
  z-index: 0;

 position: absolute;
}
}