<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 8 8" width="8" height="8"><path fill="currentColor" d="M3.5 1C1.57 1 0 2.57 0 4.5a2.5 2.5 0 0 1 5 0V5H4l2 2l2-2H7v-.5C7 2.57 5.43 1 3.5 1"/></svg>