Positioning Nested Elements in the Z-Axis
In web design, it's common to have elements nested within each other. However, when it comes to positioning in the z-axis, achieving the desired effect can be tricky. This question explores a scenario where a parent element needs to appear above its child element despite having a higher z-index value.
The issue arises because setting a negative z-index for the child causes it to fall below the containing element, resulting in an undesired placement. To resolve this problem, the answer suggests removing the z-index from the parent element and assigning a negative z-index to the child. This ensures that the parent element stays on top in the z-axis without sacrificing the position of the page container.
Here's a modified example to demonstrate the solution:
.parent { position: relative; width: 350px; height: 150px; background: red; border: solid 1px #000; } .child { position: relative; background-color: blue; height: 200px; z-index: -10; } .wrapper { position: relative; background: green; height: 350px; }
<div class="wrapper"> <div class="parent">parent 1 parent 1 <div class="child">child child child</div> </div> ... </div>
With this updated CSS, the parent element will stay on top of the child, even though it lacks a z-index property. The child is placed below the parent due to its negative z-index, ensuring the desired overlapping effect.
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