The size of a derived class is the size of the base class plus the additional members defined by a derived instance (and any extra space required for alignment, as discussed earlier).

派生类的大小等于基类加上派生实例定义的其他成员（以及对齐所必需的任何额外空间 — 如前所述）的大小。

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You can customize the alignment, spacing, border, CSS class, and you can even choose whether or not to include a link to the image.

你可以自定义对齐、间距、边框、css类，你甚至可以选择图片是否包含链接。

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