Sass 官方文档

SassScript

!default

#{}

$ variables

& in sassScript

Boolean operations

Color operations

Colors

Functions

List operations

Lists

Maps

Number operations

Parentheses

String operations

Strings

Subtraction, negative numbers, and -

@-Rules and Directives

!optional

@at-root

@debug

@each

@error

@extend

@for

@function

@if

@import

@include

@media

@mixin

@warn

@while

CSS Extensions

%placeholder selector

& parent selector

Nested properties

Nested rules

Output Styles

:compact

:compressed

:expanded

:nested

Functions

abs

adjust_color

adjust_hue

alpha

append

blue

call

ceil

change_color

comparable

complement

counter

counters

darken

desaturate

feature_exists

floor

function_exists

global_variable_exists

grayscale

green

hsl

hsla

hue

ie_hex_str

if

index

inspect

invert

is_superselector

join

keywords

length

lighten

lightness

list_separator

map_get

map_has_key

map_keys

map_merge

map_remove

map_values

max

min

mix

mixin_exists

nth

opacify

opacity

percentage

quote

random

red

rgb

rgba

round

saturate

saturation

scale_color

selector_append

selector_extend

selector_nest

selector_parse

selector_replace

selector_unify

set

simple_selectors

str_index

str_insert

str_length

str_slice

to_lower_case

to_upper_case

transparentize

type_of

unique_id

unit

unitless

unquote

variable_exists

zip

Index

index

sass/script/functions