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It is useful when you want to define a mixin that abstracts out either wrapping a bit of code in a media question or simply a non-supported browser course identify. The rulesets is often handed to mixin so the mixin can wrap the information, e.g.

Now, an :increase inside a @media declaration will only match selectors In the exact media declaration:

Notice that & represents all parent selectors (not merely the nearest ancestor) so the following case in point:

The only real exception are quotations in attribute selector, less is familiar with they have got precisely the same indicating and matches them.

If what is returned from the lookup is another detached ruleset, You may use a 2nd lookup for getting that worth.

Features extra by a @plugin at-rule adheres to Less scoping rules. This can be perfect for Less library authors that choose to include features without the need of introducing naming conflicts.

The & operator represents the father or mother selectors of the nested rule which is most commonly made use of when making use of a modifying course or pseudo-class to an existing selector:

For plugin authors sharing their plugins, Meaning You may also properly make non-public capabilities by placing them in a particular scope. As in, this will likely trigger an error:

The merge characteristic allows for aggregating values from several Qualities into a comma or Area separated list under a single property. merge is useful for Attributes such as history and renovate.

A detached ruleset is a group of css Houses, nested rulesets, media declarations or the rest stored in the variable.

Variables described right in callers scope cannot be overridden. However, variables described in callers mother or father scope will not be protected and may be overridden:

Mixins may also consider arguments, which are variables passed towards the block of selectors when it truly is blended in.

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