1<ion-button>Default</ion-button>
2<ion-button color="primary">Primary</ion-button>
3<ion-button color="secondary">Secondary</ion-button>
4<ion-button color="tertiary">Tertiary</ion-button>
5<ion-button color="success">Success</ion-button>
6<ion-button color="warning">Warning</ion-button>
7<ion-button color="danger">Danger</ion-button>
8<ion-button color="light">Light</ion-button>
9<ion-button color="medium">Medium</ion-button>
10<ion-button color="dark">Dark</ion-button>