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What are the differences between these two CSS writing methods? _html/css_WEB-ITnose

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Release： 2016-06-24 11:41:33
Original
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.ui-btn-icon-notext .ui-corner-all{}
and
.ui-btn-icon-notext > .ui-corner-all{}

One is a comma and the other is >.

> indicates the next level.

. Does it mean equal level? ? ? Or the next level?


Reply to discussion (solution)

Dots represent class styles,,, and spaces in the middle represent everything under .ui-btn-icon-notext. ui-corner-all includes grandchild element nodes. . . "　" means only child element nodes. . . .

Related labels：
这两个CSS写法都有哪些不同？
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