Does 'position: absolute' conflict with Flexbox?
Solution 1
No, absolutely positioning does not conflict with flex containers. Making an element be a flex container only affects its inner layout model, that is, the way in which its contents are laid out. Positioning affects the element itself, and can alter its outer role for flow layout.
That means that
If you add absolute positioning to an element with
display: inline-flex
, it will become block-level (likedisplay: flex
), but will still generate a flex formatting context.If you add absolute positioning to an element with
display: flex
, it will be sized using the shrink-to-fit algorithm (typical of inline-level containers) instead of the fill-available one.
That said, absolutely positioning conflicts with flex children.
As it is out-of-flow, an absolutely-positioned child of a flex container does not participate in flex layout.
Solution 2
you have forgotten width of parent
.parent {
display: flex;
justify-content: center;
position: absolute;
width:100%
}
<div class="parent">
<div class="child">text</div>
</div>
Solution 3
You have to give width:100%
to parent to center
the text.
.parent {
display: flex;
justify-content: center;
position: absolute;
width:100%
}
<div class="parent">
<div class="child">text</div>
</div>
If you also need to centre align vertically, give height:100%
and align-itens: center
.parent {
display: flex;
justify-content: center;
align-items: center;
position: absolute;
width:100%;
height: 100%;
}
Solution 4
In my case, the issue was that I had another element in the center of the div with a conflicting z-index.
.wrapper {
color: white;
width: 320px;
position: relative;
border: 1px dashed gray;
height: 40px
}
.parent {
position: absolute;
display: flex;
justify-content: center;
top: 20px;
left: 0;
right: 0;
/* This z-index override is needed to display on top of the other
div. Or, just swap the order of the HTML tags. */
z-index: 1;
}
.child {
background: green;
}
.conflicting {
position: absolute;
left: 120px;
height: 40px;
background: red;
margin: 0 auto;
}
<div class="wrapper">
<div class="parent">
<div class="child">
Centered
</div>
</div>
<div class="conflicting">
Conflicting
</div>
</div>
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Stanley Luo
Full stack web Developer React + React Native + Node + AWS
Updated on July 08, 2022Comments
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Stanley Luo almost 2 years
I want to make a
div
stick on the top of the screen without any influence to other elements, and its child element in the center..parent { display: flex; justify-content: center; position: absolute; }
<div class="parent"> <div class="child">text</div> </div>
When I add the
position: absolute
line,justify-content: center
becomes invalid. Do they conflict with each other and, what's the solution?EDIT
Thanks guys it's the problem of parent width. But I'm in React Native, so I can't set
width: 100%
. Triedflex: 1
andalign-self: stretch
, both not working. I ended up using Dimensions to get the full width of the window and it worked.EDIT
As of newer version of React Native (I'm with 0.49), it accepts
width: 100%
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Shivkumar kondi over 7 yearsthis may be helpful to you.. css-tricks.com/almanac/properties/p/position
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aruno almost 5 yearsThe behavior of this changed sometime in 2016 - developers.google.com/web/updates/2016/06/…
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