There is another technique I have found using a negative parameter for shadow density to fake an area shadow.

我发现的另一个技巧是可以用阴影的负参数来模拟面阴影。

youdao

youdao

Finally add a subtle Outer Glow using black at 15% opacity to give a slight shadow to the content area.

最后添加一个外发光，黑色的15%透明度的，于是一个淡淡的内容区的阴影就这样出现了。

youdao

He insisted that no shadow ministers should shadow the area they covered in government.

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Shadow work and pensions secretary Liam Byrne said this was a particularly worrying area.

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