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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.
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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:
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.
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).
1 Φεβ 2021 · z-index is a CSS property that is used to position elements above or below one another. It’s your weapon of choice if you have two overlapping elements and you want to decide which one goes on top. It’s quite useful for modals, tooltips, banners, etc.
18 Μαΐ 2018 · By using z-index on positioned elements, we can change the default stacking order. When applying certain CSS properties, an element can form a stacking context. Z-index values only have a meaning within the same stacking context. For more information on z-index, I recommend this article. I got a lot of inspiration from it when writing this.
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.
