[Dishes of the HEIGHT:0 ]css Original source http://expert.csdn.net/Expert/topic/2402/2402318.xml?temp=.3180048 I do not understand is why it added a height:0 can ah? Thank you! But other to 1:00. What I call this gesture! 哎~~~~~

Css filter must have three attributes position:absolute one height or width Or installing or writing-mode=tb-rl contentEditable=true (Tb-rl from top to bottom from right to left)

Thank you, boss. IMG it is not ah? If I have changed width=0, position:absolute can? Thank you!

Almost any object can have filters applied to it. However, [color=#cc0000]the object that the filter is applied to must have layout before the filter effect will display.[/color] Put simply, having layout means that an object has a defined height and width. [color=#cc0000]Some objects, like form controls. have layout by default. All other objects gain filterable layout by setting the height or width property, setting the position property to absolute, setting the writingMode property to tb-rl. or setting the contentEditable property to true[/color]. Test, we know [html] "Differences Historic Significance of the Transitional Budget" filter:progid:DXImageTransform.microsoft.alpha (opacity=30); "" 1234245 546456</font><br><br> "Differences Historic Significance of the Transitional Budget" filter:alpha (opacity=30); "" 1234245 546456</font><br><br> "Differences Historic Significance of the Transitional Budget" filter:alpha (opacity=30) ;height:0 "," 1234245 546456</font><br><br> "Differences Historic Significance of the Transitional Budget" filter:alpha (opacity=30) ;position:absolute "," 1234245 546456</font><br><br> "Differences Historic Significance of the Transitional Budget" filter:alpha (opacity=30) ;width:0 "," 1234245 546456</font><br><br> "Differences Historic Significance of the Transitional Budget" filter:alpha (opacity=30) ;position:relative "," 1234245 546456</font><br><br> "Differences Historic Significance of the Transitional Budget" filter:alpha (opacity=30); "ContentEditable=true>1234245 546456</font><br><br> "Differences Historic Significance of the Transitional Budget" filter:alpha (opacity=30) ;writing-mode:tb-rl "," 1234245 546456</font><br><br> [/html]

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