再次点击添加图层样式按钮，以返回图层样式对话框，但是这一次要选择外发光。
Go back into the layer Styles dialog box by clicking on the Add a layer style button again, but this time, choose Outer Glow.
多达8个不同的发光二极管可以安装到面板，创建周围光线的光环，和一个额外的双色发光二极管可以安装到按钮。
Up to eight different LEDs can be mounted into the bezel, which creates the halo of light around the lens, and an additional bi-colour LED can be fitted into the pushbutton.
多达8个不同的发光二极管可以安装到面板，创建周围光线的光环，和一个额外的双色发光二极管可以安装到按钮。
Up to eight different LEDs can be mounted into the bezel, which creates the halo of light around the lens, and an additional bi-colour LED can be fitted into the pushbutton.
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