
    <nz-radio-group [(ngModel)]="size">
      <label nz-radio-button nzValue="large">Large</label>
      <label nz-radio-button nzValue="default">Default</label>
      <label nz-radio-button nzValue="small">Small</label>
    </nz-radio-group>
    <br />
    <br />
    <button nz-button [nzSize]="size" nzType="primary">Primary</button>
    <button nz-button [nzSize]="size" nzType="default">Default</button>
    <button nz-button [nzSize]="size" nzType="dashed">Dashed</button>
    <a nz-button [nzSize]="size" nzType="link">Link</a>
    <br />
    <button nz-button nzType="primary" [nzSize]="size">
      <nz-icon nzType="download" />
    </button>
    <button nz-button nzType="primary" [nzSize]="size" nzShape="circle">
      <nz-icon nzType="download" />
    </button>
    <button nz-button nzType="primary" [nzSize]="size" nzShape="round">
      <nz-icon nzType="download" />
    </button>
    <button nz-button nzType="primary" [nzSize]="size" nzShape="round">
      <nz-icon nzType="download" />
      Download
    </button>
    <button nz-button nzType="primary" [nzSize]="size">
      <nz-icon nzType="download" />
      Download
    </button>
    <br />
    <nz-space-compact [nzSize]="size">
      <button nz-button nzType="primary">
        <nz-icon nzType="left" />
        Backward
      </button>
      <button nz-button nzType="primary">
        Forward
        <nz-icon nzType="right" />
      </button>
    </nz-space-compact>
  