<select> elements are a bit notorious in not allowing you all the CSS
flexibility the other controls do.  This is, as I understand it, because a
<select> is treated essentially as a separate window.  For instance, note
that if you have a <div> and you position it over a <select>, regardless
of how you try and set the z-index, the <select> will show through the
<div>.  The browser keeps the <select> at a higher z-index no matter what
because it isn't like the other form controls exactly.

I think at one point IE literally spawned a separate browser thread for
each <select>, as it did for each frame.  I may be remembering that
incorrectly, and certainly it isn't true any more in any case.

All that possibly shotty memory aside though :), <select>'s don't always
behave themselves as you'd like in terms of CSS.  Trial and error and
research is required.  I unfortunately don't have an answer for your
specific issue.

-- 
Frank W. Zammetti
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Omnytex Technologies
http://www.omnytex.com
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On Thu, March 16, 2006 9:57 am, fea jabi said:
> This might not be Struts related issue. More of CSS  stuff I guess.
>
> I am using this errorStyleClass and works great for text fields, where I
> am
> highlighting the border with different color when there is an error.
>
> If it is a dropdown when there is an error(when the user did not select
> any)
> then dropdown border is not changing color why is that? did anyone work on
> such a thing i.e highlighting the dropdown border with different color
> when
> there is an error.
>
> Would appreciate your help. Thanks.
>
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