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> Put two DIVs side by side while keeping the image vertically centered
RainLover
post Jul 14 2012, 09:59 AM
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Hi,

Sample:

CODE
<!DOCTYPE html>
<html>
<head>
<title></title>
<style type="text/css">
#left {display:table-cell; width:448px; height:336px; vertical-align:middle; background:black;}
#left img {display:block; margin:0 auto;}
#right {width:97px; height:326px; padding:5px; overflow-x:hidden; overflow-y:auto; background:black;}
</style>
</head>
<body>
<div id="left"><img src="http://dl.dropbox.com/u/4017788/Labs/image2.jpg" alt=""></div>
<div id="right">
    <a href="#"><img src="http://dl.dropbox.com/u/4017788/Labs/thumb2.jpg" alt=""></a>
    <a href="#"><img src="http://dl.dropbox.com/u/4017788/Labs/thumb3.jpg" alt=""></a>
    <a href="#"><img src="http://dl.dropbox.com/u/4017788/Labs/thumb1.jpg" alt=""></a>
    <a href="#"><img src="http://dl.dropbox.com/u/4017788/Labs/thumb2.jpg" alt=""></a>
    <a href="#"><img src="http://dl.dropbox.com/u/4017788/Labs/thumb3.jpg" alt=""></a>
    <a href="#"><img src="http://dl.dropbox.com/u/4017788/Labs/thumb1.jpg" alt=""></a>
    <a href="#"><img src="http://dl.dropbox.com/u/4017788/Labs/thumb2.jpg" alt=""></a>
    <a href="#"><img src="http://dl.dropbox.com/u/4017788/Labs/thumb3.jpg" alt=""></a>
    <a href="#"><img src="http://dl.dropbox.com/u/4017788/Labs/thumb1.jpg" alt=""></a>
</div>
</body>
</html>


If I use div {float:left;}, the large image won't be vertically centered any more. What's the solution?

Many thanks in advance!
Mike
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Frederiek
post Jul 14 2012, 12:12 PM
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You can use margin:18px auto 0; on #left img.

Have look here too: http://css-discuss.incutio.com/wiki/Centering_An_Image


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Christian J
post Jul 14 2012, 12:47 PM
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"vertical-align" only applies to elements with "display: table-cell" or -"inline".

Making both DIVs "display: table-cell" (with no float) should be the easiest solution, but older MSIE browsers don't support it.

If you prefer to float the DIVs they can't remain as "display: table-cell", but instead you can give the inline image vertical alignment with the help of an extra spacer image:

CODE
div {float: left;}

#left {
width:448px;
height:336px;
text-align: center;
}

#left #spacer {
height: 336px;
width: 1px;
vertical-align: middle;
}

<div id="left">
<img src="" alt="" id="spacer">
<img src="" alt="">
</div>

You can use a SPAN instead of the spacer image, but then you also need to make it "display: inline-block", which older Firefox/Gecko browsers don't support.





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Christian J
post Jul 14 2012, 12:48 PM
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QUOTE(Frederiek @ Jul 14 2012, 07:12 PM) *

You can use margin:18px auto 0; on #left img.

How would that work? Shouldn't you use much more top and bottom margin? unsure.gif


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RainLover
post Jul 15 2012, 12:06 AM
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QUOTE(Christian J @ Jul 14 2012, 12:47 PM) *

Making both DIVs "display: table-cell" (with no float) should be the easiest solution, but older MSIE browsers don't support it.


I design for IE8+.

QUOTE
If you prefer to float the DIVs they can't remain as "display: table-cell", but instead you can give the inline image vertical alignment with the help of an extra spacer image


I can't get it to work:
http://jsfiddle.net/yH8rA/1/
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Frederiek
post Jul 15 2012, 03:41 AM
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QUOTE(Christian J @ Jul 14 2012, 07:48 PM) *

QUOTE(Frederiek @ Jul 14 2012, 07:12 PM) *

You can use margin:18px auto 0; on #left img.

How would that work? Shouldn't you use much more top and bottom margin? unsure.gif

No. The #left div has a height of 336px and the image is 300px high. That leaves 36px of space left, divided by 2 makes 18px.
With that, you don't need the extra markup for a spacer image.

Below, the modified (and commented) file from jsfiddle, which works for me in Safari/Mac. I haven't tried in IE as I don't have access to an IE.
CODE
<!DOCTYPE html>
<html>
<head>
<title></title>
<style type="text/css">
div {float: left;}
#left {width:448px; height:336px; text-align: center; background:black;}
/* #left #spacer {height: 336px; width: 1px; vertical-align: middle;} NOTE, width and height are in reversed order */
#left img {display:block; margin: 18px auto;} /* or margin: 18px auto 0; */
#right {width:97px; height:326px; padding:5px; overflow-x:hidden; overflow-y:auto; background:black;}
</style>
</head>
<body>
<div id="left">
<!-- <img src="" alt="" id="spacer"> NOTE, src shouldn't be empty, but contain a transparent image file -->
<img src="http://dl.dropbox.com/u/4017788/Labs/image2.jpg" alt="">
</div>
<div id="right">
    <a href="#"><img src="http://dl.dropbox.com/u/4017788/Labs/thumb2.jpg" alt=""></a>
    <a href="#"><img src="http://dl.dropbox.com/u/4017788/Labs/thumb3.jpg" alt=""></a>
    <a href="#"><img src="http://dl.dropbox.com/u/4017788/Labs/thumb1.jpg" alt=""></a>
    <a href="#"><img src="http://dl.dropbox.com/u/4017788/Labs/thumb2.jpg" alt=""></a>
    <a href="#"><img src="http://dl.dropbox.com/u/4017788/Labs/thumb3.jpg" alt=""></a>
    <a href="#"><img src="http://dl.dropbox.com/u/4017788/Labs/thumb1.jpg" alt=""></a>
    <a href="#"><img src="http://dl.dropbox.com/u/4017788/Labs/thumb2.jpg" alt=""></a>
    <a href="#"><img src="http://dl.dropbox.com/u/4017788/Labs/thumb3.jpg" alt=""></a>
    <a href="#"><img src="http://dl.dropbox.com/u/4017788/Labs/thumb1.jpg" alt=""></a>
</div>
</body>
</html>​​



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RainLover
post Jul 15 2012, 03:46 AM
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QUOTE(Frederiek @ Jul 15 2012, 03:41 AM) *

The #left div has a height of 336px and the image is 300px high. That leaves 36px of space left, divided by 2 makes 18px.


Thanks for the answer, but adding a top and bottom margin to the image doesn't resolve the issue as the large image height isn't fixed. It's an image gallery where clicking any thumbnail displays a different image with a different size in the left division
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Frederiek
post Jul 15 2012, 05:46 AM
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You hadn't said before the images will not be the same size.

Have you taken a look at the two links from http://css-discuss.incutio.com/wiki/Centering_An_Image ? Do the included samples there work for you?


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"The earth does not belong to us. We belong to the earth."
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"Leave scepticism to others and take action"
from HOME by Goodplanet

An inconvenient truth by Al Gore
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Christian J
post Jul 15 2012, 06:44 AM
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QUOTE(RainLover @ Jul 15 2012, 07:06 AM) *

I design for IE8+.

Then "display: table-cell" should be fine.

QUOTE
I can't get it to work:
http://jsfiddle.net/yH8rA/1/

Oops, you need to remove this part also:

CODE
#left img {display:block; margin:0 auto;}

(the "display: block" is what's causing trouble, also the margin is no longer needed).

You also need to make the preview window wide enough for the two floated DIVs to fit side by side.


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Christian J
post Jul 15 2012, 06:48 AM
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QUOTE(Frederiek @ Jul 15 2012, 10:41 AM) *

QUOTE(Christian J @ Jul 14 2012, 07:48 PM) *

How would that work? Shouldn't you use much more top and bottom margin? unsure.gif

No. The #left div has a height of 336px and the image is 300px high.

I see. I never looked at the actual image file. blush.gif


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RainLover
post Jul 15 2012, 09:12 AM
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QUOTE(Christian J @ Jul 15 2012, 06:44 AM) *


Oops, you need to remove this part also:

CODE
#left img {display:block; margin:0 auto;}

(the "display: block" is what's causing trouble, also the margin is no longer needed).


I tried it to no luck:
http://jsfiddle.net/yH8rA/5/

The image isn't vertically centered.
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RainLover
post Jul 15 2012, 09:18 AM
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QUOTE(Frederiek @ Jul 15 2012, 05:46 AM) *

Have you taken a look at the two links from http://css-discuss.incutio.com/wiki/Centering_An_Image ? Do the included samples there work for you?


Yes: it's a fairly complicated workaround to support older browsers.
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Christian J
post Jul 15 2012, 12:43 PM
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QUOTE(RainLover @ Jul 15 2012, 04:12 PM) *

I tried it to no luck:
http://jsfiddle.net/yH8rA/5/

The image isn't vertically centered.

Oops again, seems both images need to be vertically centered:

CODE
#left #spacer {
vertical-align: middle;
height: 336px;
width: 1px;
}

#left #pic {
vertical-align: middle;
max-width: 400px;
max-height: 330px;
}

<div id="left">
<img src="foo.jpg" alt="" id="spacer">
<img src="bar.jpg" alt="" id="pic">
</div>

Note that the spacer image needs a valid URL, otherwise Firefox will collapse its dimensions. Also, if the large image in the left DIV is too large the layout may fall apart. Perhaps giving it some max-height/width will help.

The "display: table-cell" method seems both simpler and more fluid...


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RainLover
post Jul 15 2012, 01:01 PM
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QUOTE(Christian J @ Jul 15 2012, 12:43 PM) *

The "display: table-cell" method seems both simpler and more fluid...


Thanks, Christian! smile.gif
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