I have a sidebar split into two divs with an equal z-index.
The first div, top
, has a link that shows another div, hover
when you hover over it.
hover
extends down into the bottom div, bottom
, but since top
and bottom
have the same z-index, hover
is covered by bottom
.
No matter how high of a z-index I give bottom
, that only affects how it is displayed within top
. How can I get it to cover up bottom
?
By the way, I also want to do the same thing to bottom
, so there will be a bottom-hover
that should cover up top
.
So giving top
and bottom
different z-indexes isn't an option.
Here's a fiddle to demonstrate: http://jsfiddle.net/tsnuh7q1/
html:
<div class="top">top
<div class="hover">HOVER</div>
</div>
<div class="bottom">bottom<div>
css:
.top {
width: 200px;
height: 100px;
background: blue;
z-index: 3;
position: relative;
}
.hover {
z-index: 40;
width: 170px;
height: 300px;
position: absolute;
background: red;
left: 30px;
}
.bottom {
width: 200px;
height: 100px;
background: green;
z-index: 3;
position: relative;
}
The child z-index
is always in the context of the parent.
Take
#A { z-index: 1; }
#B { z-index: 2; }
#A * { z-index: 1000; }
children of #A
will always be under #B
and it's children. The context of their z-index
is a lower layer.
Came accross this question whilst searching for a solution for my own issue. Couldn't help but giving it a go.
If I understand correctly what you're trying to do why not do it like this?
http://jsfiddle.net/tsnuh7q1/2/
.top, .bottom { width: 100%; height: 100px; background: lightblue; position: relative; } .bottom { background: green; } .hover { position: absolute; top: 0; left: 10%; display: none; width: 100px; height: 150px; background: red; } a:hover .hover { display: block; } .bottom .hover { top: initial; left: initial; right: 10%; bottom: 0; } .top:hover, .bottom:hover { z-index: 1; }
<div class="top">top <a href="#0">link<div class="hover">HOVER</div></a> </div> <div class="bottom">bottom <a href="#0">link<div class="hover">HOVER</div></a> <div>
The technical post webpages of this site follow the CC BY-SA 4.0 protocol. If you need to reprint, please indicate the site URL or the original address.Any question please contact:yoyou2525@163.com.