
    <nz-splitter>
      <nz-splitter-panel nzMin="20%" [nzCollapsible]="true">
        <div class="box">First</div>
      </nz-splitter-panel>
      <nz-splitter-panel [nzCollapsible]="true">
        <div class="box">Second</div>
      </nz-splitter-panel>
    </nz-splitter>
    <br />
    <nz-splitter nzLayout="vertical">
      <nz-splitter-panel nzMin="20%" [nzCollapsible]="true">
        <div class="box">First</div>
      </nz-splitter-panel>
      <nz-splitter-panel [nzCollapsible]="true">
        <div class="box">Second</div>
      </nz-splitter-panel>
    </nz-splitter>
  