html - How I can overlap a DIV on to other DIV? -

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i trying make overlapping div onto other visually . trying

{ position:absolute; top:-10px; }

in css, found top attribute not working in firefox. dear fellas, how that? please me codes or examples. thx in advance

here's easy way

css

.top {     position: relative; } .topabs {     position: absolute; }

html

<div class='top'>     <div class='topabs'>         i'm top div     </div> </div> <div>no styles, frowns :(</div>​

the relative positioned div collapses there no contents, causing coordinates 0,0 coordinates of absolute positioned div of div underneath.

fiddle

http://jsfiddle.net/y5szw/


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