system-uicons/src/images/icons/push_down.svg

<svg height="21" viewBox="0 0 21 21" width="21" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" transform="translate(3 3)"><path d="m3.5 7.5 4 4 4-4"/><path d="m7.5.5v11"/><path d="m.5 14.5h14"/></g></svg>