The structure for box shadow is same as the text-shadow property: x-offset, y-offset, blur, and color.

盒阴影的结构和text - shadow相同，x轴偏移，y轴偏移，模糊，颜色。

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You select metrics to be represented on the X and Y axis and by the size and color of the dots.

您选择的指标应派代表参加了X轴和Y 轴和大小和颜色的小点。

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Draws the indicated part of the surface with its origin at position (x, y) but now with scale factors and a color and transparency setting.

平铺绘制表面使其填充整个空间，然而现在有了比例因素和颜色、透明度设定。

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