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For what reason margin collapse rules were introduced in CSS?
What is the means of “margin collapse”?
Possible Duplicate: For what reason margin collapse rules were introduced in CSS? What is
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Possible Duplicate:
For what reason margin collapse rules were introduced in CSS?
What is the means of “margin collapse”?
It’s not a problem, it’s a design decision. It means: when adjacent elements have margins that “touch”, the two margins are collapsed into the same space. So for example:
The margins are “collapsed” together. The CSS specification requires browsers to behave this way by design. It is actually a Good Thing and helpful, once you understand when and how it is happening.