Z-Index Base Layer z-0
Set elements to the base stacking layer with z-index: 0, the default stacking level for positioned elements.
Quick Reference
Class Details
Class:z-0
CSS:z-index: 0
Stacking level:Base layer
Common Use Cases
• Reset z-index to base level
• Explicit base layer positioning
• Background content layers
• Default positioned elements
Interactive Examples
Z-0 Base Layer
z-0
z-10
z-20
✓ z-0 element appears behind higher z-index elements
✓ Forms the base layer for stacking context
<div class="absolute z-0">Base layer</div>
<div class="absolute z-10">Above base</div> Z-Index Reset
z-30
z-0 (reset)
z-10
✓ z-0 can reset elements to base layer
✓ Useful for overriding inherited z-index values
Background Layer Usage
Content Layer
This content sits above the z-0 background gradient.
✓ z-0 perfect for background decorative elements
✓ Content layers can be positioned above with higher z-index
Stacking Context
z-0 parent
z-50
z-10 sibling
✓ z-0 creates stacking context for children
✓ Child z-50 can't escape z-0 parent context
When to Use Z-0
🔄 Reset Z-Index
Reset elements back to the base stacking layer.
<div class="z-0">Reset to base</div> 🎨 Background Elements
Position decorative backgrounds at the base layer.
<div class="absolute z-0 bg-pattern"> 📐 Explicit Positioning
Make z-index explicit for positioned elements.
<div class="relative z-0">Base layer</div>