What you see is the drop shadow from the chrome letters.

你所看到的是下拉阴影，从铬信。

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Then apply a Drop Shadow effect on all the text and icon layers using the Settings from the image below.

然后按照下图给所有的文字和图标图层添加投影效果。

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I also added a subtle drop shadow to the green layer to separate it a bit more from the yellow.

我也利用了比较细的笔触来加了点阴影来区分绿色和黄色。

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