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The z-index Property. When elements are positioned, they can overlap other elements. The z-index property specifies the stack order of an element (which element should be placed in front of, or behind, the others). An element can have a positive or negative stack order:
- Try It Yourself
The W3Schools online code editor allows you to edit code and...
- CSS Overflow
CSS Overflow. The overflow property specifies whether to...
- CSS z-index Property
Example. Set the z-index for an image, so that it is...
- CSS z-index
Demo of the different values of the z-index property. Click...
- Try It Yourself
13 Ιουν 2024 · The z-index CSS property sets the z-order of a positioned element and its descendants or flex and grid items. Overlapping elements with a larger z-index cover those with a smaller one.
Example. Set the z-index for an image, so that it is displayed behind the text: img { position: absolute; left: 0px; top: 0px; z-index: -1; } Try it Yourself » More "Try it Yourself" examples below. Definition and Usage. The z-index property specifies the stack order of an element.
The CSS z-index property is a powerful tool for controlling the stacking order of elements on a webpage. By assigning different z-index values, you can create layered effects, ensure modals or menus stay on top, and manage the depth of elements in complex layouts.
20 Σεπ 2022 · The z-index property in CSS controls the vertical stacking order of elements that overlap. As in, which one appears as if it is physically closer to you. z-index only affects elements that have a position value other than static (the default).
Demo of the different values of the z-index property. Click the property values below to see the result: z-index: 1; z-index: 2;
Bootstrap overlay components—dropdown, modal, offcanvas, popover, toast, and tooltip—all have their own z-index values to ensure a usable experience with competing “layers” of an interface. Read about them in the z-index layout page.
