Give the circle a Drop Shadow and a Radial Gradient.

给圆一阴影和径向渐变。

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This is where you can also change the gradient to be radial or linear.

这是您还可以更改梯度是径向或直线。

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This is where you can also change the gradient to be radial or linear.

这是您还可以更改梯度是径向或直线。

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