CSS Module CSS Level CSS Attribute Trident Gecko WebKit KHTML Presto Prince XML
Box Model 2 margin 9.0 1.0 85 Yes 1.0 Yes
Box Model 2 padding 4.0 1.0 85 Yes 1.0 Yes
Box Model 2 width 4.0 1.0 85 Yes 1.0 Yes
Box Model 2 height 4.0 1.0 85 Yes 1.0 Yes
Box Model 2 float 5.0 1.0 85 Yes 1.0 Yes
Box Model 2 clear 5.0 1.0 85 Yes 1.0 Yes
Box Model 2 display 8.0 Partial 85 Yes 1.0 Yes
Box Model 2 min-width 7.0 1.0 416 Yes 1.0 5.0
Box Model 2 max-width 7.0 1.0 416 Yes 1.0 5.0
Box Model 2 min-height 7.0 1.7 416 3.3.2 1.0 5.0
Box Model 2 max-height 7.0 1.7 416 3.3.2 1.0 5.0
Box Model 2 clip 8.0 1.0 85 Yes 1.0 5.0
Box Model 2 overflow 9.0 1.0 85 3.2 1.0 5.0
Box Model 2 visibility 9.0 1.8 Partial Partial 2.5 Partial
Box Model 3 overflow-x 9.0 1.8 525 3.5.6 2.1 5.0
Box Model 3 overflow-y 9.0 1.8 525 3.5.6 2.1 5.0
Borders 2 border 4.0 1.0 85 Yes 1.0 3.0
Borders 2 border-color 7.0 1.0 85 Yes 1.0 3.0
Borders 2 border-style 8.0 1.0 85 Yes 1.0 3.0
Borders 2 border-width 4.0 1.0 85 Yes 1.0 3.0
Borders 2 border-top 5.5 1.0 85 Yes 1.0 3.0
Borders 2 border-right 5.5 1.0 85 Yes 1.0 3.0
Borders 2 border-bottom 5.5 1.0 85 Yes 1.0 3.0
Borders 2 border-left 5.5 1.0 85 Yes 1.0 3.0
Borders 3 border-radius 9.0 2.0 533 Experimental 2.5 6.0
Borders 3 border-image No Experimental Experimental No 2.5 No
Borders 3 border-image-source No No No No No No
Borders 3 border-image-slice No No No No No No
Borders 3 border-image-width No No No No No No
Borders 3 border-image-outside No No No No No No
Borders 3 border-image-repeat No No No No No No
Borders 3 box-shadow 9.0 2.0 Yes No 2.5 No
Borders 3 box-decoration-break No No No No 2.7 No
Line Layout 2 line-height 4.0 1.0 85 Yes 1.0 5.0
Line Layout 2 vertical-align 8.0 1.0 85 Yes 1.0 6.0
Positioning 2 position 7.0 1.0 85 Yes 1.0 5.0
Positioning 2 top 8.0 1.0 85 Yes 1.0 6.0
Positioning 2 right 8.0 1.0 85 Yes 1.0 6.0
Positioning 2 bottom 8.0 1.0 85 Yes 1.0 6.0
Positioning 2 left 8.0 1.0 85 Yes 1.0 6.0
Positioning 2 z-index 8.0 1.9 85 Yes 1.0 6.0
Generated and Replaced Content 2 quotes 8.0 1.8 Nightly build 3.4 1.0 No
Generated and Replaced Content 2 content 9.0 1.9 Partial Yes 2.7 Partial
Generated and Replaced Content 2 counter-increment 8.0 1.8 525 3.4 1.0 5.0
Generated and Replaced Content 2 counter-reset 8.0 1.8 525 3.4 1.0 5.0
Lists 2 list-style 4.0 1.0 85 Yes 1.0 6.0
Lists 2 list-style-image 4.0 1.0 85 Yes 1.0 6.0
Lists 2 list-style-position 4.0 1.0 85 Yes 1.0 6.0
Lists 2 list-style-type 8.0 1.0 85 3.4 1.0 Partial
Colors 2 color 3.0 1.0 85 Yes 1.0 5.0
Colors 3 opacity 9.0 1.7 125 4.0 2.0 6.0
Backgrounds 2 background 4.0 1.0 85 Yes 1.0 6.0
Backgrounds 2 background-attachment 7.0 1.0 85 Yes 1.0 5.0
Backgrounds 2 background-color 4.0 1.0 85 Yes 1.0 3.1
Backgrounds 2 background-image 8.0 1.0 85 Yes 1.0 6.0
Backgrounds 2 background-position 8.0 1.0 85 Yes 1.0 3.1
Backgrounds 2 background-repeat 4.0 1.0 85 Yes 1.0 3.1
Backgrounds 3 background (multiple) 9.0 1.9.2 312 3.5 2.5 No
Backgrounds 3 background-clip 9.0 2.0 Yes Experimental 2.5 No
Backgrounds 3 background-origin 9.0 2.0 Yes Experimental 2.5 No
Backgrounds 3 background-size 9.0 2.0 Yes Experimental 2.5 No
Fonts 2 font 4.0 1.0 85 Yes Incorrect Yes
Fonts 2 font-family 4.0 1.0 85 Yes 1.0 Yes
Fonts 2 font-size 3.0 1.0 85 Yes 1.0 3.1
Fonts 2 font-style 4.0 1.0 85 Yes 1.0 Yes
Fonts 2 font-variant 4.0 1.0 125 Yes 1.0 Yes
Fonts 2 font-weight 8.0 Partial Partial Yes Incorrect Yes
Fonts 3 font-size-adjust No 1.9 No No No No
Fonts 3 font-stretch 9.0 No No No No 6.0
Fonts 3 font-feature-settings No Experimental No No No No
Text 2 text-align 4.0 1.0 85 Yes 1.0 Yes
Text 2 text-decoration Yes Incorrect Incorrect Yes 1.0 3.1
Text 2 text-indent 3.0 1.0 85 Yes 1.0 Yes
Text 2 text-transform 4.0 1.0 85 Yes 1.0 6.0
Text 2 letter-spacing 4.0 1.0 85 Yes 1.0 5.0
Text 2 word-spacing 8.0 1.0 85 Yes 1.0 5.0
Text 3 white-space 8.0 1.9.1 522 Yes 2.1 6.0
Text 3 text-shadow No 1.9.1 Yes 3.4 2.1 No
Text 3 text-overflow Partial Nightly build Partial 3.5.6 Experimental (Nightly) No
Text 3 word-break Partial No No No No No
Text 3 hyphens No Nightly build Nightly build No No No
Text 3 hyphenate-characters No No No No No No
Text 3 hyphenate-limit-zone No No No No No No
Text 3 hyphenate-limit-word No No No No No No
Text 3 hyphenate-limit-lines No No No No No No
Text 3 hyphenate-limit-last No No No No No No
Text 3 hyphenate-resource No No No No No No
Text 3 text-wrap No No No No No No
Text 3 word-wrap 5.0 1.9.1 85 4.3 2.5 No
Text 3 text-align-last Partial No No No No Partial
Text 3 text-align-first No No No No No No
Text 3 text-justify 5.5 No No No No 6.0
Text 3 punctuation-trim No No No No No No
Text 3 text-emphasis No No No No No No
Text 3 text-outline No No Experimental No No No
Text 3 hanging-punctuation No No No No No No
Text 3 text-decoration-style No Nightly build No No No No
Text 3 text-decoration-color No Nightly build No No No No
Text 3 text-decoration-line No Nightly build No No No No
Text 3 text-decoration-skip No No No No No No
Text 3 text-underline-position No No No No No No
Writing Modes 2 direction 5.0 1.0 85 Yes 1.0 7.0
Writing Modes 2 unicode-bidi 5.0 1.0 525 Yes 1.0 7.0
Writing Modes 3 writing-mode 6.0 No Nightly Build No No No
Writing Modes 3 text-combine No No No No No No
Tables 2 border-collapse 8.0 1.0 125 Yes 1.0 5.1
Tables 2 border-spacing 8.0 1.0 125 Yes 1.0 6.0
Tables 2 caption-side 8.0 1.4 85 Yes 1.0 5.0
Tables 2 empty-cells 8.0 1.0 125 Yes 1.0 5.0
Tables 2 table-layout 5.0 1.0 85 Yes 1.0 6.0
User Interface 2 cursor 5.5 1.8 125 Yes Partial Yes
User Interface 2 outline 8.0 1.8 125 Yes 1.0 No
User Interface 2 outline-color 8.0 1.8 125 Yes 1.0 No
User Interface 2 outline-style 8.0 1.8 125 Yes 1.0 No
User Interface 2 outline-width 8.0 1.8 125 Yes 1.0 No
User Interface 3 outline-offset No 1.8 125 3.5 2.1 No
User Interface 3 box-sizing 8.0 Experimental Yes 3.3.2 1.0 7.0
User Interface 3 resize No 2.0 525 No No No
User Interface 3 appearance No Experimental Experimental No No No
User Interface 3 icon No No No No No No
User Interface 3 nav-index No No No No 2.1 No
User Interface 3 nav-up No No No No 2.1 No
User Interface 3 nav-right No No No No 2.1 No
User Interface 3 nav-down No No No No 2.1 No
User Interface 3 nav-left No No No No 2.1 No
Paged Media 2 page-break-before 4.0 Partial Partial 3.5 1.0 6.0
Paged Media 2 page-break-after 4.0 Partial Partial 3.5 1.0 6.0
Paged Media 2 page-break-inside 8.0 No 312 3.5 1.0 6.0
Paged Media 2 orphans 8.0 No 312 3.5 1.0 6.0
Paged Media 2 widows 8.0 No 312 3.5 1.0 6.0
Paged Media 3 page No No No No No Yes
Paged Media 3 size No No No No 1.0 6.0
Paged Media 3 image-orientation No No No No No No
Paged Media 3 object-fit No No No No 2.7 No
Paged Media 3 object-position No No No No 2.7 No
Speech 3 cue No No No No 1.0 No
Speech 3 cue-after No No No No 1.0 No
Speech 3 cue-before No No No No 1.0 No
Speech 3 pause No No No No 1.0 No
Speech 3 pause-after No No No No 1.0 No
Speech 3 pause-before No No No No 1.0 No
Speech 3 speak No No Nightly build No 1.0 No
Speech 3 voice-family No No No No 1.0 No
Speech 3 voice-balance No No No No Experimental No
Speech 3 voice-duration No No No No Experimental No
Speech 3 voice-pitch No No No No Experimental No
Speech 3 voice-pitch-range No No No No Experimental No
Speech 3 voice-rate No No No No Experimental No
Speech 3 voice-stress No No No No Experimental No
Speech 3 voice-volume No No No No Experimental No
Speech 3 interpret-as No No No No Experimental No
Speech 3 phonemes No No No No Experimental No
Speech 3 rest No No No No No No
Speech 3 rest-after No No No No No No
Speech 3 rest-before No No No No No No
Speech 3 mark No No No No No No
Speech 3 mark-after No No No No No No
Speech 3 mark-before No No No No No No
Media Queries 3 width 9.0 1.9.1 525 4.1 2.0 No
Media Queries 3 height 9.0 1.9.1 525 4.1 2.0 No
Media Queries 3 device-width 9.0 1.9.1 525 4.1 2.0 No
Media Queries 3 device-height 9.0 1.9.1 525 4.1 2.0 No
Media Queries 3 device-aspect-ratio 9.0 1.9.1 525 4.1 2.0 No
Media Queries 3 color 9.0 1.9.1 525 4.1 2.5 No
Media Queries 3 color-index 9.0 1.9.1 525 4.1 2.5 No
Media Queries 3 monochrome 9.0 1.9.1 525 4.1 2.5 No
Media Queries 3 resolution 9.0 1.9.1 No 4.1 2.5 No
Media Queries 3 orientation 9.0 1.9.1 No 4.2.1 No No
Media Queries 3 aspect-ratio 9.0 1.9.1 No 4.2.1 2.1 No
Media Queries 3 grid 9.0 No No 4.1 2.5 No
Media Queries 3 scan 9.0 No No 4.1 2.5 No
Ruby Characters 3 ruby-position 5.0 No No No No No
Ruby Characters 3 ruby-align 5.0 No No No No No
Ruby Characters 3 ruby-overhang 5.0 No No No No No
Ruby Characters 3 ruby-span No No No No No No
Multi-column Layout 3 column-count Platform Preview Experimental Experimental No 2.8 Yes
Multi-column Layout 3 column-width Platform Preview Experimental Experimental No 2.8 Yes
Multi-column Layout 3 column-gap Platform Preview Experimental Experimental No 2.8 Yes
Multi-column Layout 3 column-rule Platform Preview Experimental Experimental No 2.8 Yes
Multi-column Layout 3 columns Platform Preview No Experimental No 2.8 Yes
Multi-column Layout 3 break-before No No Experimental No 2.8 6.0
Multi-column Layout 3 break-after No No Experimental No 2.8 6.0
Multi-column Layout 3 break-inside No No No No 2.8 6.0
Multi-column Layout 3 column-fill Platform Preview No No No 2.8 6.0
Multi-column Layout 3 column-span Platform Preview No Experimental No 2.8 No
Grid Layout 3 Grid Platform Preview No No No No No
Grid Layout 3 grid-rows Platform Preview No No No No No
Grid Layout 3 grid-columns Platform Preview No No No No No
Grid Layout 3 grid-row Platform Preview No No No No No
Grid Layout 3 grid-column Platform Preview No No No No No
Grid Layout 3 grid-cell-stacking Platform Preview No No No No No
Grid Layout 3 grid-template Platform Preview No No No No No
Grid Layout 3 grid-column-span Platform Preview No No No No No
Grid Layout 3 grid-row-span Platform Preview No No No No No
Grid Layout 3 grid-column-sizing Platform Preview No No No No No
Grid Layout 3 grid-row-sizing Platform Preview No No No No No
Grid Layout 3 grid-flow Platform Preview No No No No No
Grid Layout 3 grid-column-align Platform Preview No No No No No
Grid Layout 3 grid-row-align Platform Preview No No No No No
Grid Layout 3 grid-layer Platform Preview No No No No No
Animation 3 animation No Experimental Experimental No No No
Animation 3 animation-delay No Experimental Experimental No No No
Animation 3 animation-direction No Experimental Experimental No No No
Animation 3 animation-duration No Experimental Experimental No No No
Animation 3 animation-iteration-count No Experimental Experimental No No No
Animation 3 animation-name No Experimental Experimental No No No
Animation 3 animation-play-state No Experimental Experimental No No No
Animation 3 animation-timing-function No Experimental Experimental No No No
2D Transforms 3 transform Experimental Experimental Experimental No Experimental No
2D Transforms 3 transform-origin Experimental Experimental Experimental No Experimental No
3D Transforms 3 transform No No Experimental No No No
3D Transforms 3 transform-origin No No Experimental No No No
3D Transforms 3 transform-style No No Experimental No No No
3D Transforms 3 perspective No No Experimental No No No
3D Transforms 3 perspective-origin No No Experimental No No No
3D Transforms 3 backface-visibility No No Experimental No No No
Transitions 3 transition No Experimental Experimental No Experimental No
Transitions 3 transition-property No Experimental Experimental No Experimental No
Transitions 3 transition-duration No Experimental Experimental No Experimental No
Transitions 3 transition-timing-function No Experimental Experimental No Experimental No
Transitions 3 transition-delay No Experimental Experimental No Experimental No
Flexible Box Layout 3 box-align Platform Preview Experimental Experimental No No No
Flexible Box Layout 3 box-direction Platform Preview Experimental Experimental No No No
Flexible Box Layout 3 box-flex Platform Preview Experimental Experimental No No No
Flexible Box Layout 3 box-flex-group Platform Preview Experimental Experimental No No No
Flexible Box Layout 3 box-lines Platform Preview No Experimental No No No
Flexible Box Layout 3 box-ordinal-group Platform Preview Experimental Experimental No No No
Flexible Box Layout 3 box-orient Platform Preview Experimental Experimental No No No
Flexible Box Layout 3 box-pack Platform Preview Experimental Experimental No No No
Marquee 3 marquee-direction No No Experimental No No No
Marquee 3 marquee-play-count No No Experimental No No No
Marquee 3 marquee-speed No No Experimental No No No
Marquee 3 marquee-style No No Experimental No No No
Marquee 3 overflow-style No No No No No No
CSS Module CSS Level CSS Attribute Trident Gecko WebKit KHTML Presto Prince XML