Why does the set margin-top function and margin-top function?

Source: Internet
Author: User

Why does the set margin-top function and margin-top function?

Why does the set margin-top not work:
Suggestion: writing code as much as possible can effectively improve learning efficiency and depth.
You know that you can set the object's top margin through the margin-top attribute, but sometimes this attribute does not play any role. There are multiple causes, one of which is caused by the combination of the outer margin. Next we will introduce one. Let's take a look at a code example:

<! DOCTYPE html>  

The code above shows that the margin of the span does not work. This is because span is an inline element. both the top and bottom margins of the inline element do not work, but the left and right margins do.

The original address is: http://www.softwhy.com/forum.php? Mod = viewthread & tid = 4656.

For more information, see: http://www.softwhy.com/divcss/

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