visibility: collapse;
预期隐藏第二行 [D,E,F],并从布局中移除
filter:brightness grayscale opacity
多重
transform:matrix(0.5, 0.2, -0.2, 0.5, 50, 50)
transform:translate(120px, 50%)
transform:scale(2, 0.5)
transform:rotate(0.5turn)
transform:skew(30deg, 20deg)
transform:scale(0.5) translate(-100%, -100%)