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

Double click on the rectangle’s layer and add an 8px white stroke. Change the Blend Mode to Overlay and drop the opacity to 30% to give a cool transparent effect.

双击圆角矩形图层然后添加8白色描边，宽度为8px，混合模式为叠加然后调整透明度为30%，这样就会有一个很酷的透明效果-_

youdao

Double click on the rectangle's layer and add an 8px white stroke. Change the Blend Mode to Overlay and drop the opacity to 30% to give a cool transparent effect.

双击圆角矩形图层然后添加8白色描边，宽度为8px，混合模式为叠加然后调整透明度为30%，这样就会有一个很酷的透明效果- _。

youdao

Though a secondary player in the crisis, derivatives are a perennial candidate for causing the next one because they add opacity and leverage to the financial system.

ECONOMIST: Financial reform in America

"Redaction of these individuals' names would merely add a layer of confusion and opacity to the documents without any additional privacy benefit, " they wrote.

WSJ: MIT to release documents about activist Swartz