Mozilla supports a number of extensions to CSS that are prefixed with -moz-.
Some of these properties have been included in draft CSS specification for inclusion in the final recommendation, but are still experimental. The final standard property may be different from the current prefix implementation. Some of these non-standard properties apply only to XUL elements.
Once standardized, and the support for the un-prefixed variant added, the prefixed properties are dropped.
Mozilla-prefixed properties on the standard track
A – C
clip-path(applying to more than SVG)-moz-column-count-moz-column-fill-moz-column-gap-moz-column-width-moz-column-rule-moz-column-rule-width-moz-column-rule-style-moz-column-rule-color
F
filter(applying to more than SVG)
G – H
I – M
mask(applying to more than SVG)
N – P
pointer-events(applying to more than SVG)
Q – Z
Proprietary Mozilla-prefixed properties (do not use on Web sites)
A
B
-moz-binding-moz-border-bottom-colors-moz-border-left-colors-moz-border-right-colors-moz-border-top-colors-moz-box-align-moz-box-direction-moz-box-flex-moz-box-ordinal-group-moz-box-orient-moz-box-pack
C – F
G H I
J – O
-moz-orient-moz-osx-font-smoothing-moz-outline-radius-moz-outline-radius-bottomleft-moz-outline-radius-bottomright-moz-outline-radius-topleft-moz-outline-radius-topright
P – S
T U
V – Z
Previously prefixed properties now standard
-moz-animation[Prefixed version still accepted]-moz-animation-delay[Prefixed version still accepted]-moz-animation-direction[Prefixed version still accepted]-moz-animation-duration[Prefixed version still accepted]-moz-animation-fill-mode[Prefixed version still accepted]-moz-animation-iteration-count[Prefixed version still accepted]-moz-animation-name[Prefixed version still accepted]-moz-animation-play-state[Prefixed version still accepted]-moz-animation-timing-function[Prefixed version still accepted]-moz-backface-visibility[Prefixed version still accepted]-moz-background-clip-moz-background-origin-moz-background-inline-policy[Superseded by the standard versionbox-decoration-break]-moz-background-size-moz-border-end[Superseded by the standard versionborder-inline-end]-moz-border-end-color[Superseded by the standard versionborder-inline-end-color]-moz-border-end-style[Superseded by the standard versionborder-inline-end-style]-moz-border-end-width[Superseded by the standard versionborder-inline-end-width]-moz-border-image-moz-border-start[Superseded by the standard versionborder-inline-start]-moz-border-start-color[Superseded by the standard versionborder-inline-start-color]-moz-border-start-style[Superseded by the standard versionborder-inline-start-style]-moz-border-start-width[Superseded by the standard versionborder-inline-start-width]-moz-box-sizing[Prefixed version still accepted]-moz-font-feature-settings[Prefixed version still accepted]-moz-font-language-override[Prefixed version still accepted]-moz-margin-end[Superseded by the standard versionmargin-inline-end]-moz-margin-start[Superseded by the standard versionmargin-inline-start]-moz-opacity-moz-outline-moz-outline-color-moz-outline-offset-moz-outline-style-moz-outline-width-moz-padding-end[Superseded by the standard versionpadding-inline-end]-moz-padding-start[Superseded by the standard versionpadding-inline-start]-moz-perspective[Prefixed version still accepted]-moz-perspective-origin[Prefixed version still accepted]-moz-text-decoration-color-moz-text-decoration-line-moz-text-decoration-style-moz-transform[Prefixed version still accepted]-moz-transform-origin[Prefixed version still accepted]-moz-transform-style[Prefixed version still accepted]-moz-transition[Prefixed version still accepted]-moz-transition-delay[Prefixed version still accepted]-moz-transition-duration[Prefixed version still accepted]-moz-transition-property[Prefixed version still accepted]-moz-transition-timing-function[Prefixed version still accepted]
Values
For all properties
-moz-appearance
buttonbutton-arrow-downbutton-arrow-nextbutton-arrow-previousbutton-arrow-upbutton-bevelcheckboxcheckbox-containercheckbox-labelcheckmenuitemdialoggroupboxlistboxmenuarrowmenucheckboxmenuimagemenuitemmenuitemtextmenulistmenulist-buttonmenulist-textmenulist-textfieldmenupopupmenuradiomenuseparator-moz-mac-unified-toolbar-moz-win-borderless-glass-moz-win-browsertabbar-toolbox-moz-win-communications-toolbox-moz-win-glass-moz-win-media-toolbox-moz-window-button-box-moz-window-button-box-maximized-moz-window-button-close-moz-window-button-maximize-moz-window-button-minimize-moz-window-button-restore-moz-window-titlebar-moz-window-titlebar-maximizedprogressbarprogresschunkradioradio-containerradio-labelradiomenuitemresizerresizerpanelscale-horizontalscalethumb-horizontalscalethumb-verticalscale-verticalscrollbarbutton-downscrollbarbutton-leftscrollbarbutton-rightscrollbarbutton-upscrollbar-smallscrollbarthumb-horizontalscrollbarthumb-verticalscrollbartrack-horizontalscrollbartrack-verticalseparatorspinnerspinner-downbuttonspinner-textfieldspinner-upbuttonstatusbarstatusbarpaneltabtabpanelstab-scroll-arrow-backtab-scroll-arrow-forwardtextfieldtextfield-multilinetoolbartoolbarbutton-dropdowntoolboxtooltiptreeheadercelltreeheadersortarrowtreeitemtreetwistytreetwistyopentreeviewwindow
background-image
- Gradients
- Elements
- Sub-images
border-color
-moz-use-text-colorUsecurrentcolor
border-style and outline-style
-moz-bg-inset | -moz-bg-outset | -moz-bg-soliddropped in Gecko 1.9 (Firefox 3.0)
<color> keywords
-moz-activehyperlinktext-moz-hyperlinktext-moz-visitedhyperlinktext-moz-buttondefault-moz-buttonhoverface-moz-buttonhovertext-moz-default-background-color-moz-default-color-moz-cellhighlight-moz-cellhighlighttext-moz-field-moz-fieldtext-moz-dialog-moz-dialogtext-moz-dragtargetzone-moz-mac-accentdarkestshadow-moz-mac-accentdarkshadow-moz-mac-accentface-moz-mac-accentlightesthighlight-moz-mac-accentlightshadow-moz-mac-accentregularhighlight-moz-mac-accentregularshadow-moz-mac-chrome-active-moz-mac-chrome-inactive-moz-mac-focusring-moz-mac-menuselect-moz-mac-menushadow-moz-mac-menutextselect-moz-menuhover-moz-menuhovertext-moz-win-communicationstext-moz-win-mediatext-moz-nativehyperlinktext
display
-moz-box-moz-inline-block-moz-inline-box-moz-inline-grid-moz-inline-stack-moz-inline-table-moz-grid-moz-grid-group-moz-grid-line-moz-groupbox-moz-deck-moz-popup-moz-stack-moz-marker
empty-cells
-moz-show-background(default value in quirks mode)
font
-moz-button-moz-info-moz-desktop-moz-dialog(also a color)-moz-document-moz-workspace-moz-window-moz-list-moz-pull-down-menu-moz-field(also a color)
font-family
-moz-fixed
image-rendering
<length>
list-style-type
-moz-arabic-indic-moz-bengali-moz-cjk-earthly-branch-moz-cjk-heavenly-stem-moz-devanagari-moz-ethiopic-halehame-moz-ethiopic-halehame-am-moz-ethiopic-halehame-ti-er-moz-ethiopic-halehame-ti-et-moz-ethiopic-numeric-moz-gujarati-moz-gurmukhi-moz-hangul-moz-hangul-consonant-moz-japanese-formal-moz-japanese-informal-moz-kannada-moz-khmer-moz-lao-moz-malayalam-moz-myanmar-moz-oriya-moz-persian-moz-simp-chinese-formal-moz-simp-chinese-informal-moz-tamil-moz-telugu-moz-thai-moz-trad-chinese-formal-moz-trad-chinese-informal-moz-urdu
overflow
text-align
-moz-center-moz-left-moz-right
text-decoration
-moz-anchor-decoration
-moz-user-select
-moz-all-moz-none
width, min-width and max-width
-moz-min-content-moz-fit-content-moz-max-content-moz-available
Pseudo-elements and pseudo-classes
::-moz-anonymous-blockeg@:- bug 331432::-moz-anonymous-positioned-block:-moz-any:-moz-any-link(matches:linkand:visited):-moz-bound-element:-moz-broken::-moz-canvaseg@:- resource://gre/res/ua.css::-moz-cell-contenteg@:- bug 331432:-moz-drag-over:-moz-first-node::-moz-focus-inner::-moz-focus-outer:-moz-focusring:-moz-full-screen:-moz-full-screen-ancestor:-moz-handler-blocked:-moz-handler-crashed:-moz-handler-disabled::-moz-inline-tableeg@:- resource://gre/res/ua.css:-moz-last-node:-moz-list-bullet:-moz-list-number:-moz-loading:-moz-locale-dir(ltr):-moz-locale-dir(rtl):-moz-lwtheme:-moz-lwtheme-brighttext:-moz-lwtheme-darktext:-moz-native-anonymous:-moz-only-whitespace::-moz-pageeg@:- resource://gre/res/ua.css::-moz-page-sequenceeg@:- resource://gre/res/ua.css::-moz-pagebreakeg@:- resource://gre/res/ua.css::-moz-pagecontenteg@:- resource://gre/res/ua.css:-moz-placeholder::-moz-placeholder::-moz-progress-bar::-moz-range-progress::-moz-range-thumb::-moz-range-track:-moz-read-only:-moz-read-write::-moz-scrolled-canvaseg@:- resource://gre/res/ua.css::-moz-scrolled-contenteg@:- bug 331432::-moz-scrolled-page-sequenceeg@:- bug 331432::-moz-selection:-moz-submit-invalid:-moz-suppressed::-moz-svg-foreign-contentexample at resource://gre/res/svg.css , *|*::-moz-svg-foreign-content {display: block !important;position: static !important;}:-moz-system-metric(images-in-menus):-moz-system-metric(mac-graphite-theme):-moz-system-metric(scrollbar-end-backward):-moz-system-metric(scrollbar-end-forward):-moz-system-metric(scrollbar-start-backward):-moz-system-metric(scrollbar-start-forward):-moz-system-metric(scrollbar-thumb-proportional):-moz-system-metric(touch-enabled):-moz-system-metric(windows-default-theme)::-moz-tableeg@:- resource://gre/res/ua.css::-moz-table-celleg@:- resource://gre/res/ua.css::-moz-table-columneg@:- resource://gre/res/ua.css::-moz-table-column-groupeg@:- resource://gre/res/ua.css::-moz-table-outereg@:- resource://gre/res/ua.css::-moz-table-roweg@:- resource://gre/res/ua.css::-moz-table-row-groupeg@:- resource://gre/res/ua.css:-moz-tree-cell:-moz-tree-cell-text:-moz-tree-cell-text(hover):-moz-tree-checkbox:-moz-tree-column:-moz-tree-drop-feedback:-moz-tree-image:-moz-tree-indentation:-moz-tree-line:-moz-tree-progressmeter:-moz-tree-row:-moz-tree-row(hover):-moz-tree-separator:-moz-tree-twisty:-moz-ui-invalid:-moz-ui-valid:-moz-user-disabled::-moz-viewporteg@:- resource://gre/res/ua.css::-moz-viewport-scrolleg@:- resource://gre/res/ua.css:-moz-window-inactive::-moz-xul-anonymous-blockeg@:- resource://gre/res/ua.css
At-rules
Media Queries
-moz-images-in-menus-moz-mac-graphite-theme-moz-maemo-classic-moz-device-pixel-ratio-moz-scrollbar-end-backward-moz-scrollbar-end-forward-moz-scrollbar-start-backward-moz-scrollbar-start-forward-moz-scrollbar-thumb-proportional-moz-touch-enabled-moz-windows-classic-moz-windows-compositor-moz-windows-default-theme-moz-windows-theme
Others
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