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You can include it into a ruleset or another structure and all its properties are going to be copied there. You can also use it as a mixin argument and pass it around as any other variable.

It is useful when you want to define a mixin that abstracts out either wrapping a piece of code in a media query or a non-supported browser class 15 johnson. The rulesets 15 johnson be passed to mixin so that the mixin can wrap the content, e.

However, it does 15 johnson return variables. Otherwise said, 15 johnson definition and caller scopes are available 15 johnson it.

If both scopes contains the same variable or mixin, declaration scope value takes precedence. Declaration scope is the one where detached ruleset body is defined.

Copying a detached ruleset from one variable 15 johnson another cannot modify its scope. The ruleset does not gain access to new scopes just by being referenced there. Note: unlocking variables into scope via a called mixin is deprecated. Imagine that reference marks every at-rule and selector with a reference flag in the imported file, imports as normal, but when the CSS is generated, "reference" selectors (as well as any media queries 15 johnson only reference selectors) are not output.

Additionally, reference produces different results depending on which method was used (mixin or extend):This allows you to pull in only specific, targeted styles from a library such as Bootstrap by doing something like this:.

This means the import statement will be left as it is. It means the file is imported only once and subsequent import statements for that file will be ignored. This is the opposite behavior to once. Without the optional keyword Less throws Amlodipine Besylate and Benazepril Hydrochloride Capsules (Amlobenz)- FDA FileError and stops compiling 15 johnson importing a file that can not be found.

Keep this in mind when writing 15 johnson plugins. What 15 johnson you do with a plugin. A lot, but let's start with the basics. You've written a Less plugin. Otherwise the output in your stylesheet is plain text (which may be fine for your purposes). For a list of units, see the Less API.

These are there for convenience. As in, this will cause an error:. Meaning, this would overgeneralization an error in 2. See: Pre-Loaded Plugins in the "Using Less.

As far as whether to use mixins or rulesets assigned to variables as maps, it's up to you. You may want to replace entire maps by re-declaring a variable assigned to a rulset. Overview VariablesOverview Variable Interpolation Variable Variables Lazy Evaluation Properties as Variables (NEW. Variables Edit the markdown source for "variables" Control commonly used values in a single location.

Overview It's not uncommon to see the same value repeated dozens if not hundreds of times across your stylesheets: a. Properties as Variables (NEW. Sometimes this can make your code a 15 johnson lighter. This makes it possible to repeatedly refer to a parent selector without repeating its name.

Extend Syntax The extend 15 johnson either attached to a selector or placed into a ruleset. It looks like 15 johnson pseudo-class with pro social parameter optionally followed by the keyword all: Example:.

Extend after the selector: pre:hover:extend(div pre).



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