ionic spinner
<!-- Default Spinner -->
<ion-spinner></ion-spinner>
<!-- Lines -->
<ion-spinner name="lines"></ion-spinner>
<!-- Lines Small -->
<ion-spinner name="lines-small"></ion-spinner>
<!-- Dots -->
<ion-spinner name="dots"></ion-spinner>
<!-- Bubbles -->
<ion-spinner name="bubbles"></ion-spinner>
<!-- Circles -->
<ion-spinner name="circles"></ion-spinner>
<!-- Crescent -->
<ion-spinner name="crescent"></ion-spinner>
<!-- Paused Default Spinner -->
<ion-spinner paused></ion-spinner>