ion fab styling code example
Example: ion-fab-button ionic angular
<ion-content>
<!-- Fixed Floating Action Button that does not scroll with the content -->
<ion-fab>
<ion-fab-button>Button</ion-fab-button>
</ion-fab>
<!-- Default Floating Action Button that scrolls with the content.-->
<ion-fab-button>Default</ion-fab-button>
<!-- Mini -->
<ion-fab-button size="small">Mini</ion-fab-button>
<!-- Colors -->
<ion-fab-button color="primary">Primary</ion-fab-button>
<ion-fab-button color="secondary">Secondary</ion-fab-button>
<ion-fab-button color="danger">Danger</ion-fab-button>
<ion-fab-button color="light">Light</ion-fab-button>
<ion-fab-button color="dark">Dark</ion-fab-button>
</ion-content>