http://ryanflorence.com/mootools-for-beginners-part-3-effects-fx/

Scroll down to the "options options options" header, you can change the unit to 'em'.

On Feb 18, 2010, at 1:57 PM, Paul Saukas wrote:

First off thanks :)

It is rather interesting.

I guess Tween ignores the em value and just converts it to px. I will have to keep that in mind in the future. :D

On Thu, Feb 18, 2010 at 3:32 PM, cbolson <[email protected]> wrote:
I think it is due to the fact that you have it absolutely positioned.
As it is not contained within any parent element that is relatively
positioned, the position is taking from the top of the document.  So,
4em is actually higher up than it is now.
Setting it t (eg) 60em would make it slide down (you will need to fix
the mouseout position too)

Chris

On 18 feb, 21:24, Paul Saukas <[email protected]> wrote:
> Ok, I am doing something very wrong here I have to be, Just can not see it
> yet. Simple question why does the gray bar go up not down?
>
> http://mootools.net/shell/G8aRH/


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