CSS Description Example of relative positioning and absolute positioning _css/html

A: None set postion, general nesting relationship

B: outer div Only set relative, general nesting relationship

C: Only within the div set Absolute, the document is a nested relationship, the page within the DIV floats [non-float], relative to the page positioning, and outside the div is irrelevant.

A: None set postion, general nesting relationship

B: outer div Only set relative, general nesting relationship

C: Only within the div set Absolute, the document is a nested relationship, the page within the DIV floats [non-float], relative to the page positioning, and outside the div is irrelevant.

D: outer div set relative, inside div set Absolute, inside div floats up and relative to outer div positioning

D: outer div set relative, inside div set relative, inside div floats up and relative to outer div positioning

E: This is a description of the boundary problem. -10! = Reverse 10px pitch

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