PASS - "box-shadow" property for "box" element at 0.5s saw something close to: 0,0,0,0
PASS - "box-shadow" property for "box2" element at 0.5s saw something close to: 0,-20,0,10
PASS - "box-shadow" property for "box3" element at 0.5s saw something close to: 0,0,0,10