How does the z-index property in CSS affect the stacking order of elements within the body section?
- It aligns elements horizontally.
- It determines the opacity of elements.
- It positions elements in a 3D space on the Z-axis.
- It sets the order of elements based on their size.
The z-index property in CSS defines the stack order of positioned elements (with position: absolute, position: relative, or position: fixed). Elements with a higher z-index value are rendered in front of elements with a lower or default z-index value. It essentially decides the depth or layering of elements in a 3D space with the Z-axis being perpendicular to the screen.
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