如果图片离顶部有10个像素，那背景位置应该是“- 336 px - 10px”。

If the image was 10 pixels from the top of the image, the background position would be "-336px -10px".

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将您的背景图像合并为单个图像并使用CSS背景图像及背景位置要显示所需的图像段的属性。

Combine your background images into a single image and use the CSS background-image and background-position properties to display the desired image segment.

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但是，通过旋转鸟笼内部（鸟在里面）或者旋转充当背景的外墙，餐盒与周围环境的相对位置可能会发生改变。

However, food boxes' position with respect to the surroundings could be changed by revolving either the inner cage containing the birds or the outer walls, which served as the background.

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