libs/design/button/examples/src/icon-button/icon-button.component.html
<button daff-icon-button><fa-icon [icon]="faPlus"></fa-icon></button>
<button daff-icon-button color="primary"><fa-icon [icon]="faPlus"></fa-icon></button>
<button daff-icon-button color="secondary"><fa-icon [icon]="faPlus"></fa-icon></button>
<button daff-icon-button color="tertiary"><fa-icon [icon]="faPlus"></fa-icon></button>
<button daff-icon-button color="black"><fa-icon [icon]="faPlus"></fa-icon></button>
<button daff-icon-button color="white"><fa-icon [icon]="faPlus"></fa-icon></button>
<button daff-icon-button color="theme"><fa-icon [icon]="faPlus"></fa-icon></button>
<button daff-icon-button color="theme-contrast"><fa-icon [icon]="faPlus"></fa-icon></button>
<button daff-icon-button disabled><fa-icon [icon]="faPlus"></fa-icon></button>