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Using negative margin values

Using negative margin values - CSS教程

课程: CSS Essential Training

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Using negative margin values

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- [Instructor] Unlike other box model properties, margin can be used with both positive and negative values. We just used a negative value in the last exercise but let's take a closer look at how it all works. In this example, we'll apply positive and negative values to the second box to see how the surrounding elements are affected by these values. Let's start with a stacked example. Adding a positive value for margin top and margin bottom is as we discussed in previous lessons. It will push the surrounding elements away from the top and bottom sides. But if we change the top value to negative 20, it will bring the proceeding element closer which will make it overlap. The same applies when using a negative bottom value, except that the element below is brought closer. Adding a positive margin right value doesn't show any change. A negative value doesn't either. That's because there are no other elements to the right…

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