I just want to remove the tittle bar (header) (blue side part in image)inside this page.
my ionic code in about.html page
<nav-page hide-nav-bar="true">
<ion-view>
<ion-content class="app-view">
<div class="list-inset-feed">
<div class="item item-text-wrap">
<div class="row responsive-sm text-center">
<div class="col">
<h1 class="text-white">{{"about_page_title" | translate}}</h1>
<h3 class ="text-white">version 1.0.0</h1>
<div class="image_container">
<img alt="logo" height="100" src="img/logo.png">
</div>
<a class="text-white" href="#" onclick="window.open('http://abcd.html', '_system', 'location=yes'); return false;">
privacy policy
</a>
</div>
</div>
</div>
</div>
</ion-content>