NN v4.6 & v6 CSS Compatibility Charts

The following page shows result of CSS compatibility testing between Netscape 4.6 and Netscape 6.0 preview release.

  ·   Netscape 6
  ·   Netscape 4.6
F=Fully Supported
B=Buggy Implementation (fails at least one part of test, but does implement other portions
N=Not Supported (or so buggy as to be useless)

Note: Results based on my interpretation of the test outcomes and should not be considered 100% accurate.

Suite One: General Concepts

Property	all	block	inline
link	F  B	n/a	n/a
@import	F  N	n/a	n/a
grouping	F  F	n/a	n/a
inheritance	F  F	n/a	n/a
class as selector	F  F	n/a	n/a
id as selector	B  B	n/a	n/a
contextual selector	F  N	n/a	n/a
comments	F  F	n/a	n/a

Suite Two: Pseudo-Classes and Pseudo-Elements

Property	all	block	inline
anchor	B  N	n/a	n/a
first-line	F  N	n/a	n/a
first-letter	F  N	n/a	n/a
psuedo-elements in selectors	F  N	n/a	n/a
multiple psuedo elements	B  N	n/a	n/a

Suite Three: Cascading Order

Property	all	block	inline
!important	F  N	n/a	n/a
cascading	F  N	n/a	n/a

Suite Four: Formatting

Property	all	block	inline
vertical formatting	n/a	B  B	n/a
horizontal formatting	n/a	F  N	n/a
floating elements	n/a	B  N	n/a
floating inline elements	n/a	n/a	F  N
replaced elements (display)	n/a	F  N	n/a
canvas	F  N	n/a	n/a

Suite Five: Font Properties

Property	all	block	inline
family	B  B	n/a	n/a
style	F  B	n/a	n/a
variant	F  B	n/a	n/a
weight	B  B	n/a	n/a
size (relative)	B  F	n/a	n/a
size (units)	F  F	n/a	n/a
font (shorthand)	F  B	n/a	n/a

Suite Six: Color and Background Properties

Property	all	block	inline
color	F  F	n/a	n/a
background-color	F  F	n/a	F  B
background-image	n/a	F  F	n/a
background-repeat	F  F	F  B	n/a
background-attachement	F  B	n/a	n/a
background-position	F  B	F  B	n/a
background (shorthand)	F  B	n/a	n/a

Suite Seven: Text Properties

Property	all	block	inline
word-spacing	n/a	F  N	n/a
letter-spacing	n/a	F  N	n/a
text-decoration	n/a	F  B	F  B
vertical-align	n/a	F  B	n/a
text-transform	n/a	F  B	F  B
text-align	n/a	B  F	n/a
text-indent	n/a	B  B	n/a
line-height	n/a	F  B	F  B

Suite Eight: Box Properties

Property	all	block	inline
margin-top	n/a	F  F	F  F
margin-right	n/a	F  B	F  B
margin-bottom	n/a	B  B	B  F
margin-left	n/a	F  B	F  B
margin	n/a	B  B	F  B
padding-top	n/a	F  F	F  B
padding-right	n/a	F  B	F  B
padding-bottom	n/a	F  B	F  B
padding-left	n/a	B  B	B  F
padding	n/a	F  B	F  B
border-top-width	n/a	F  B	F  B
border-right-width	n/a	F  B	F  B
border-bottom-width	n/a	F  B	F  B
border-left-width	n/a	F  B	F  B
border-width	n/a	F  B	F  B
border-color	n/a	F  N	F  N
border-style	n/a	F  F	F  F
border-top	n/a	F  N	F  N
border-right	n/a	F  N	F  N
border-bottom	n/a	F  N	F  N
border-left	n/a	B  N	F  N
border	n/a	F  B	F  B
width	n/a	F  B	n/a
height	n/a	F  N	n/a
float	n/a	F  F	n/a
float/margin	n/a	F  B	n/a
float (text)	n/a	F  B	n/a
float (series)	n/a	F  N	n/a
clear	n/a	B  B	n/a
clear/float	n/a	F  B	n/a
acid test	n/a	F  B	n/a

Netscape 6 Acid Test
Netscape 4.6 Acid Test
Reference Image

Suite Nine: Classification Properties

Property	all	block	inline
display	F  B	n/a	n/a
white-space	F  B	n/a	n/a
list-style-type	F  F	n/a	n/a
list-style-image	F  N	n/a	n/a
list-style-position	F  N	n/a	n/a
list-style	F  B	n/a	n/a

Suite Ten: Units

Property	all	block	inline
length	F  F	n/a	n/a
percentage	F  F	n/a	n/a
color	F  B	n/a	n/a
urls	F  N	n/a	n/a

Suite Eleven: CSS1 Compatibility

Property	all	block	inline
forward-compatible parsing	F  B	n/a	n/a