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---
title: Compass Helpers
crumb: Helpers
framework: compass
sidebar: true
layout: core
classnames:
- reference
- core
- helpers
meta_description: Provides cross browser CSS3 mixins that take advantage of available pre-spec vendor prefixes.
layout: core
---
%h1 Compass Helper Functions
:markdown
The compass helpers are functions that augment the [functions provided
by Sass](http://sass-lang.com/docs/yardoc/Sass/Script/Functions.html).
All Helpers:
* [adjust-lightness()](/reference/compass/helpers/colors/#adjust-lightness)
* [adjust-saturation()](/reference/compass/helpers/colors/#adjust-saturation)
* [append-selector()](/reference/compass/helpers/selectors/#append-selector)
* [color-stops()](/reference/compass/helpers/color-stops/)
* [cos()](/reference/compass/helpers/math/#cos)
* [css2-fallback()](/reference/compass/helpers/cross-browser/#css2-fallback)
* [e()](/reference/compass/helpers/math/#e)
* [elements-of-type()](/reference/compass/helpers/display/)
* [enumerate()](/reference/compass/helpers/selectors/#enumerate)
* [font-files()](/reference/compass/helpers/font-files/)
* [font-url()](/reference/compass/helpers/urls/#stylesheet-url)
* [headings()](/reference/compass/helpers/selectors/#headings)
* [image-width()](/reference/compass/helpers/image-dimensions/#image-width)
* [image-height()](/reference/compass/helpers/image-dimensions/#image-height)
* [image-url()](/reference/compass/helpers/urls/#image-url)
* [inline-font-files()](/reference/compass/helpers/inline-data/#inline-font-files)
* [inline-image()](/reference/compass/helpers/inline-data/#inline-image)
* [log()](/reference/compass/helpers/math/#log)
* [nest()](/reference/compass/helpers/selectors/#nest)
* [pow()](/reference/compass/helpers/math/#pow)
* [prefix()](/reference/compass/helpers/cross-browser/#prefix)
* [prefixed()](/reference/compass/helpers/cross-browser/#prefixed)
* [pi()](/reference/compass/helpers/math/#pi)
* [sin()](/reference/compass/helpers/math/#sin)
* [sqrt()](/reference/compass/helpers/math/#sqrt)
* [stylesheet-url()](/reference/compass/helpers/urls/#stylesheet-url)
* [scale-lightness()](/reference/compass/helpers/colors/#scale-lightness)
* [shade()](/reference/compass/helpers/colors/#shade)
* [tan()](/reference/compass/helpers/math/#tan)
* [tint()](/reference/compass/helpers/colors/#tint)
* [-css2()](/reference/compass/helpers/cross-browser/#-css2)
* [-moz()](/reference/compass/helpers/cross-browser/#-moz)
* [-ms()](/reference/compass/helpers/cross-browser/#-ms)
* [-o()](/reference/compass/helpers/cross-browser/#-o)
* [-pie()](/reference/compass/helpers/cross-browser/#-pie)
* [-svg()](/reference/compass/helpers/cross-browser/#-svg)
* [-webkit()](/reference/compass/helpers/cross-browser/#-webkit)
|
