system-uicons/src/images/icons/chevron_close.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="#2a2e3b" stroke-linecap="round" stroke-linejoin="round" transform="translate(7 6)"><path d="m.5 9.5 3-3 3 3"/><path d="m.5.5 3 3 3-3"/></g></svg>