Less Documentation

Categorys

• Color Blending Functions
• Color Channel Functions
• Color Definition Functions
• Color Operation Functions
• List Functions
• Logical Functions
• Math Functions
• Misc Functions
• String Functions
• Type Functions

Functions

• % format
• abs
• acos
• alpha
• argb
• asin
• atan
• average
• blue
• boolean
• ceil
• color
• contrast
• convert
• cos
• darken
• data-uri
• default
• desaturate
• difference
• e
• each
• escape
• exclusion
• extract
• fade
• fadein
• fadeout
• floor
• get-unit
• green
• greyscale
• hardlight
• hsl
• hsla
• hsv
• hsva
• hsvhue
• hsvsaturation
• hsvvalue
• hue
• if
• image-height
• image-size
• image-width
• iscolor
• isdefined
• isem
• iskeyword
• isnumber
• ispercentage
• ispixel
• isruleset
• isstring
• isunit
• isurl
• length
• lighten
• lightness
• luma
• luminance
• max
• min
• mix
• mod
• multiply
• negation
• overlay
• percentage
• pi
• pow
• range
• red
• replace
• rgb
• rgba
• round
• saturate
• saturation
• screen
• shade
• sin
• softlight
• spin
• sqrt
• svg-gradient
• tan
• tint
• unit

Guides

• @import At-Rules
• @plugin At-Rules
• API
• Aliasing Mixins
• Browser Usage
• CSS Guards
• Changing Selector Order
• Combinatorial Explosion
• Comma
• Command Line Usage
• Contributing to Less.js
• Default Variables
• Deprecated mixin scope features
• Detached Rulesets
• Duplication Detection
• Exact Matching with Extend
• Extend
• Extend "all"
• Extend Attached to Selector
• Extend Inside Ruleset
• Extend Syntax
• Extending Nested Selectors
• File Extensions
• Guarded Namespaces
• Import Options
• Lazy Evaluation
• Less.js Options
• Maps
• Merge properties
• Mixin Guards
• Mixin scope features
• Mixins
• Mixins With Parentheses
• Multiple &
• Namespaces
• Null Functions
• Parametric Mixins
• Parent Selectors
• Pattern-matching
• Plugin Scope
• Pre-Loaded Plugins
• Pre-Loaded Plugins
• Programmatic Usage
• Properties as Variables (NEW!)
• Property / variable accessors
• Recursive Mixins
• Scope
• Scoping
• Scoping / Extend Inside @media
• Selector Interpolation with Extend
• Selectors in Mixins
• Space
• The !important keyword
• The Less.js Plugin Object
• Tips & Tricks
• Use Cases for Extend
• Using Mixins as Functions
• Using variable variables in lookups
• Variable Interpolation
• Variable Variables
• Variables
• Writing your first plugin
• css
• inline
• less
• multiple
• nth Expression
• once
• optional
• reference