.container { box-shadow: 0 0 10px rgba(0, 0, 0, 0.5); transition: all 0.3s; } .container:hover { box-shadow: 0 0 10px rgba(0, 0, 0, 1); transform: translateY(-2px); }
python class TestAdd(unittest.TestCase): def test_add(self): self.assertEqual(add(1, 2), 3)