Using a Query
TO CSS pseudo class is a keyword added to a selector that specifies a special state of the selected element(s). For example, :hover
can be used to change a button's color when the user's pointer hovers over it.
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Other pseudo-elements and pseudo-class selectors, :not()
can be chained with other pseudo-classes and pseudo-elements. For example, the following will add a “New!” word to list items that do not have a .old
class name, using the ::despues de
Trivia & Notes
the :not()
selector is chainable with more :not()
selectors. For example, the following will match all articles
s except the one with an ID # feature
, and then will filter out the articles with a class name .tutorial
:
article:not(#featured):not(.tutorial) { /* style the articles that match */ }
Just like other pseudo-elements and pseudo-class selectors, :not()
can be chained with other pseudo-classes and pseudo-elements. For example, the following will add a “New!” word to list items that do not have a .old
class name, using the ::despues de
pseudo element:
li:not(.old)::after { content: "New!"; colour: deepPink; }
You can see a live demo in the Live Demo section below.
On the Specificity of Selectors
The specificity of the :not()
pseudo-class is the specificity of its argument. the :not()
pseudo-class does not add to the selector specificity, unlike other pseudo-classes.
the simple picker that :not()
takes as an argument can be any of the following:
- Type selector (eg
p
,span
, etc.) - Class selector (eg
.element
,.sidebar
, etc.) - Selector ID (eg
#header
) - Pseudo-class selector (eg
:first-child
,:last-of-type
)
Reference
The argument passed to :not()
dog not, however, be a pseudo-item selector (such as ::before
and ::despues de
, among others) or another negation pseudo-class selector.
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Useful Fallbacks
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Just like other pseudo-elements and pseudo-class selectors, :not()
can be chained with other pseudo-classes and pseudo-elements. For example, the following will add a “New!” word to list items that do not have a .old
class name, using the ::despues de
pseudo element:
element:not(.old)::after { content: "New!"; colour: deepPink; }
You can see a live demo in the live-demo section below.