Problem with CSS

ali design · ali design

i have a div (header maybe), with an image + 2 divs inside of it , and in one
of the inner divs there is another div.

what is the best approach for positioning those divs is it relative or
absolute, and why.

help is needed.

thx

may allah give u all what u wish for .

Murray *TMM* · Murray *TMM*

> what is the best approach for positioning those divs is it relative or

> absolute, and why.

Why do you need to position them at all? The best alternative may be no
positioning, and just using CSS widths/heights/margins/padding/floats.

This may help you understand positioning a bit -

There are 4 different types of positioning:
Absolute
Relative
Fixed
Static

Here is a brief explanation of each kind of positioning (with regard to
placement of elements on the page only)....

Position:absolute (or A/P elements)
-----------------------
This does several things -
1. It 'removes' the element from the flow of the code on the* page so that
it can no longer influence the size or position of any other pa*ge element
(except for those contained within it, of course).

2. The absolutely positioned element takes its position from the position of
its closest PA*RENT *positioned* element - in the absence of any explicitly
positioned parent, this will default to the <body> tag, which is always
positioned
*at 0,0 in the browser viewport.

This means that it doesn't matter where in the HTML code the laye*r's code
appears (between <body> and </body>), its location on the screen will not
change (this assumes that you have not positioned the A/P element within
a table or another A/P element, of course). Furthe*rmore, the space in
which
this element would have appeared were it not positi*oned is not preserved
on the screen. In other words, absolutely positioned elements don't take
up any space on the page. In fact, they FLOAT over the page.

Position:relative (or R/P elements)
----------------------
In contrast to absolute positioning, a relatively positioned page element is
*not* removed from t*he flow of the code on the page, so it will use the
spot
where it would have* appeared based on its position in the code as its
zero point reference. If* you then supply top, right, bottom, or left
positions
to the style for this *element, those values will be used as offsets from
its
zero point.

This means that it DOES matter where in the code the relativ*ely positioned
element appears (, as it will be positioned in that location (*factoring in
the offsets) on the screen (this is true for any placement in the code).
Furthermore, the space where this e*lement would have appeared is
preserved in the display, and can therefore* affect the placement of
succeeding elements. This means that the taller a relatively
positioned element is, the more space it forces on the page.

Position:static
-------------------
As with relative position, static positions also "go with *the flow". An
element with a static position cannot have values for offset*s (top, right,
left, bottom) or if it has them, they will be ignored. Unless explicitly
positioned, all div elements default to static positioning.

Position:fixed
------------------
A page element with this style will not scroll as the page c*ontent scrolls.
Support for this in elements other than page backgrounds is *quirky

There are several other things you need to know:

1. ANY page element can be positioned - paragraphs, tables, images, lists,
etc.
2. The <div> tag is a BLOCK level tag. This means that if it is not
positioned or explicitly styled otherwise, a) it will always begin on a new
line on the screen, and b) it will always force content to a new line below
it, and c) it will always take up the entire width of its container (i.e.,
width:100%).
3. The placement of A/P elements *can* affect the BEHAVIOR of other
elements
on the page. For example, a 'layer' placed over a hyperlink will mask that
hyperlink.

You can see a good example of the essential difference between absolute and
relative positioning here -

[url]http://www.great-web-sights.com/g_layersdemo.asp[/url]

--
Murray --- ICQ 71997575
Team Macromedia Volunteer for Dreamweaver
(If you *MUST* email me, don't LAUGH when you do so!)
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"ali design" <webforumsuser@macromedia.com> wrote in message
news:dpqmc8$5mp$1@forums.macromedia.com...

>i have a div (header maybe), with an image + 2 divs inside of it , and in
>one
> of the inner divs there is another div.
>
> what is the best approach for positioning those divs is it relative or
> absolute, and why.
>
> help is needed.
>
> thx
>
> may allah give u all what u wish for .
>

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