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21 Δεκ 2022 · If you are using less or scss or css 3, you can take advantage of their variables and define global constants for menus z-indexes. It makes it more clear for additional developers working on the same project.
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:
The z-index property specifies the stack order of an element. An element with greater stack order is always in front of an element with a lower stack order.
20 Σεπ 2022 · Without any z-index value, elements stack in the order that they appear in the DOM (the lowest one down at the same hierarchy level appears on top). Elements with non-static positioning will always appear on top of elements with default static positioning. Also note that nesting plays a big role.
Description. The zIndex property sets or returns the stack order of a positioned element. An element with greater stack order (1) is always in front of another element with lower stack order (0). Tip: A positioned element is an element with the position property set to: relative, absolute, or fixed.
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.
3 Μαΐ 2021 · If no z-index is set on your elements then the default behaviour is that document source order dictates the Z axis. This means that elements further down the document sit on top of elements that appear before them.
