再用内发光工具给侧边栏添加一个白色的边线效果，方法跟上面的一样。

Use the Inner Glow option in a similar manner to add a thin white stroke effect to the inside of the sidebar.

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继续用外发光来添加一个浅灰色的边，调整扩展值到最大这样我们可以得到一个双边线效果。

Use the Outer glow option to add a very slight grey border, adjusting the Spread to the Max will turn the default glow into a solid strip of colour which helps add this double stroke effect.

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这个长的可以自动伸缩的部分导出的时候要注意包含边线的透明效果。

The long slip is exported, including the transparency effects of the border in the selection.

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