diff --git a/docs/progress.xhtml b/docs/progress.xhtml
index 19c52a18..da999d03 100644
--- a/docs/progress.xhtml
+++ b/docs/progress.xhtml
@@ -6,10 +6,18 @@
 <title>HTMLPurifier Progress</title>
 
 <style type="text/css">
-thead tr {background-color:#EEE;}
-td {padding-right:1em;border-bottom:1px solid #CCC;}
-th {text-align:left;padding-top:1.4em;font-size:13pt;}
-thead th {text-align:left;padding:0.1em;}
+td {padding-right:1em;border-bottom:1px solid #000;}
+th {text-align:left;padding-top:1.4em;font-size:13pt;
+    border-bottom:2px solid #000;background:#FFF;}
+thead th {text-align:left;padding:0.1em;background-color:#EEE;}
+
+.impl-standard {background:#CFC;}
+.impl-aural {background:#CCF;}
+.impl-table {background:#FFC;}
+.impl-position {background:#FCF;}
+.impl-no {background:#FCC;}
+.impl-unknown {background:#CCC;}
+
 </style>
 
 </head><body>
@@ -18,7 +26,7 @@ thead th {text-align:left;padding:0.1em;}
 
 <h2>Attributes</h2>
 
-<table frame="hsides" rules="groups">
+<table cellspacing="0">
 
 <thead>
 <tr><th>Attribute</th><th>Tags</th><th>Notes</th></tr>
@@ -32,19 +40,19 @@ thead th {text-align:left;padding:0.1em;}
 -->
 
 <tbody>
-<tr><th>CSS</th></tr>
+<tr><th colspan="3">CSS</th></tr>
 <tr><td>style</td><td>All</td><td>Needs CSS parser</td></tr>
 </tbody>
 
 <tbody>
-<tr><th>Questionable</th></tr>
+<tr><th colspan="3">Questionable</th></tr>
 <tr><td>accesskey</td><td>A</td><td>May interfere with main interface</td></tr>
 <tr><td>tabindex</td><td>A</td><td>May interfere with main interface</td></tr>
 <tr><td>target</td><td>A</td><td>Config? (only useful for frame layouts)</td></tr>
 </tbody>
 
 <tbody>
-<tr><th>Miscellaneous</th></tr>
+<tr><th colspan="3">Miscellaneous</th></tr>
 <tr><td>datetime</td><td>DEL, INS</td><td>No visible effect</td></tr>
 <tr><td>rel</td><td>A</td><td>Largely user-defined</td></tr>
 <tr><td>rev</td><td>A</td><td>Largely user-defined</td></tr>
@@ -55,7 +63,7 @@ thead th {text-align:left;padding:0.1em;}
 </tbody>
 
 <tbody>
-<tr><th>URI</th></tr>
+<tr><th colspan="3">URI</th></tr>
 <tr><td rowspan="2">cite</td><td>BLOCKQUOTE, Q</td><td></td></tr>
     <tr><td>DEL, INS</td><td></td></tr>
 <tr><td>href</td><td>A</td><td></td></tr>
@@ -64,7 +72,7 @@ thead th {text-align:left;padding:0.1em;}
 </tbody>
 
 <tbody>
-<tr><th>Transform</th></tr>
+<tr><th colspan="3">Transform</th></tr>
 <tr><td rowspan="4">align</td><td>CAPTION</td><td></td></tr>
     <tr><td>IMG</td><td></td></tr>
     <tr><td>TABLE</td><td></td></tr>
@@ -101,6 +109,142 @@ thead th {text-align:left;padding:0.1em;}
 
 <h3>CSS</h3>
 
-<p>Coming soon...</p>
+<table cellspacing="0">
+
+<thead>
+<tr><th>Name</th><th>Notes</th></tr>
+</thead>
+
+<!--
+<tr><td></td><td></td></tr>
+-->
+
+<tbody class="impl-standard">
+<tr><th colspan="2">Standard</th></tr>
+<tr><td>background-color</td><td></td></tr>
+<tr><td>background</td><td>Depends on background-*</td></tr>
+<tr><td>border</td><td></td></tr>
+<tr><td>border-color</td><td></td></tr>
+<tr><td>border-style</td><td></td></tr>
+<tr><td>border-width</td><td></td></tr>
+<tr><td>border-*</td><td></td></tr>
+<tr><td>border-*-color</td><td></td></tr>
+<tr><td>border-*-style</td><td></td></tr>
+<tr><td>border-*-width</td><td></td></tr>
+<tr><td>clear</td><td></td></tr>
+<tr><td>color</td><td></td></tr>
+<tr><td>float</td><td>May require layout precautions with clear</td></tr>
+<tr><td>font-family</td><td>CSS validator may complain if fallback font
+    family not specified</td></tr>
+<tr><td>font-size</td><td></td></tr>
+<tr><td>font-style</td><td></td></tr>
+<tr><td>font-variant</td><td></td></tr>
+<tr><td>font-weight</td><td></td></tr>
+<tr><td>letter-spacing</td><td></td></tr>
+<tr><td>line-height</td><td></td></tr>
+<tr><td>list-style-position</td><td>Strange behavior in browsers</td></tr>
+<tr><td>list-style-type</td><td>Well-supported values are: disc, circle, square
+    decimal, lower-roman, upper-roman, lower-alpha and upper-alpha. See also
+    CSS 3. Mostly IE lack of support.</td></tr>
+<tr><td>list-style</td><td></td></tr>
+<tr><td>margin</td><td></td></tr>
+<tr><td>margin-*</td><td></td></tr>
+<tr><td>padding</td><td></td></tr>
+<tr><td>padding-*</td><td></td></tr>
+<tr><td>text-align</td><td></td></tr>
+<tr><td>text-decoration</td><td>No blink (argh my eyes)</td></tr>
+<tr><td>text-indent</td><td></td></tr>
+<tr><td>text-transform</td><td></td></tr>
+<tr><td>width</td><td>Interesting</td></tr>
+<tr><td>word-spacing</td><td>IE 5 no support</td></tr>
+</tbody>
+
+<tbody class="impl-table">
+<tr><th colspan="2">Table</th></tr>
+<tr><td>border-collapse</td><td></td></tr>
+<tr><td>caption-side</td><td></td></tr>
+<tr><td>empty-cells</td><td>No IE support, possible fix with &amp;nbsp;?</td></tr>
+<tr><td>table-layout</td><td></td></tr>
+<tr><td>vertical-align</td><td>Also applies to others with explicit height</td></tr>
+</tbody>
+
+<tbody class="impl-position">
+<tr><th colspan="2">Absolute positioning</th></tr>
+<tr><td>bottom</td><td rowspan="4">Dangerous, must be non-negative</td></tr>
+<tr><td>left</td></tr>
+<tr><td>right</td></tr>
+<tr><td>top</td></tr>
+<tr><td>clip</td><td></td></tr>
+<tr><td>position</td><td></td></tr>
+<tr><td>z-index</td><td>Dangerous</td></tr>
+</tbody>
+
+<tbody class="impl-unknown">
+<tr><th colspan="2">Unknown</th></tr>
+<tr><td>background-image</td><td>Dangerous</td></tr>
+<tr><td>background-attachment</td><td>Depends on background-image</td></tr>
+<tr><td>background-position</td><td>Depends on background-image</td></tr>
+<tr><td>cursor</td><td>Dangerous but fluffy</td></tr>
+<tr><td>display</td><td>Dangerous but interesting;
+    will not implement list-item, run-in (Opera only) or table (no IE);
+    inline-block has incomplete IE6 support and requires -moz-inline-box
+    for Mozilla.</td></tr>
+<tr><td>height</td><td>Interesting, why use it?</td></tr>
+<tr><td>list-style-image</td><td>Dangerous?</td></tr>
+<tr><td>max-height</td><td rowspan="4">No IE 5/6</td></tr>
+<tr><td>min-height</td></tr>
+<tr><td>max-width</td></tr>
+<tr><td>min-width</td></tr>
+<tr><td>orphans</td><td>No IE support</td></tr>
+<tr><td>widows</td><td>No IE support</td></tr>
+<tr><td>overflow</td><td>IE 5/6 almost (remove visible if set)</td></tr>
+<tr><td>page-break-after</td><td>IE 5.5/6 and Opera</td></tr>
+<tr><td>page-break-before</td><td>Mostly supported</td></tr>
+<tr><td>page-break-inside</td><td>Opera only</td></tr>
+<tr><td>quotes</td><td>May be dropped from CSS2</td></tr>
+<tr><td>visibility</td><td>Dangerous</td></tr>
+<tr><td>white-space</td><td>Spotty implementation: pre (no IE 5/6), nowrap (no IE 5),
+    pre-wrap (only Opera), pre-line (no-support). Fixable?</td></tr>
+</tbody>
+
+<tbody class="impl-aural">
+<tr><th colspan="2">Aural</th></tr>
+<tr><td>azimuth</td><td></td></tr>
+<tr><td>cue</td><td></td></tr>
+<tr><td>cue-after</td><td></td></tr>
+<tr><td>cue-before</td><td></td></tr>
+<tr><td>elevation</td><td></td></tr>
+<tr><td>pause-after</td><td></td></tr>
+<tr><td>pause-before</td><td></td></tr>
+<tr><td>pause</td><td></td></tr>
+<tr><td>pitch-range</td><td></td></tr>
+<tr><td>pitch</td><td></td></tr>
+<tr><td>play-during</td><td></td></tr>
+<tr><td>richness</td><td></td></tr>
+<tr><td>speak-header</td><td>Table related</td></tr>
+<tr><td>speak-numeral</td><td></td></tr>
+<tr><td>speak-punctuation</td><td></td></tr>
+<tr><td>speak</td><td></td></tr>
+<tr><td>speech-rate</td><td></td></tr>
+<tr><td>stress</td><td></td></tr>
+<tr><td>voice-family</td><td></td></tr>
+<tr><td>volume</td><td></td></tr>
+</tbody>
+
+<tbody class="impl-no">
+<tr><th colspan="2">Will not implement</th></tr>
+<tr><td>content</td><td>Not applicable for inline styles</td></tr>
+<tr><td>counter-increment</td><td>Needs content, Opera only</td></tr>
+<tr><td>counter-reset</td><td>Needs content, Opera only</td></tr>
+<tr><td>direction</td><td>No support</td></tr>
+<tr><td>outline-color</td><td rowspan="4">IE Mac and Opera on outside,
+Mozilla on inside and needs -moz-outline, no IE support.</td></tr>
+    <tr><td>outline-style</td></tr>
+    <tr><td>outline-width</td></tr>
+    <tr><td>outline</td></tr>
+<tr><td>unicode-bidi</td><td>No support</td></tr>
+</tbody>
+
+</table>
 
 </body></html>
\ No newline at end of file

Attribute	Tags	Notes
CSS
CSS
style	All	Needs CSS parser
Questionable
Questionable
accesskey	A	May interfere with main interface
tabindex	A	May interfere with main interface
target	A	Config? (only useful for frame layouts)
Miscellaneous
Miscellaneous
datetime	DEL, INS	No visible effect
rel	A	Largely user-defined
rev	A	Largely user-defined
URI
URI
cite	BLOCKQUOTE, Q
cite	DEL, INS
href	A
Transform
Transform
align	CAPTION
	IMG
	TABLE
Name	Notes
Standard
background-color
background	Depends on background-*
border
border-color
border-style
border-width
border-*
border-*-color
border-*-style
border-*-width
clear
color
float	May require layout precautions with clear
font-family	CSS validator may complain if fallback font + family not specified
font-size
font-style
font-variant
font-weight
letter-spacing
line-height
list-style-position	Strange behavior in browsers
list-style-type	Well-supported values are: disc, circle, square + decimal, lower-roman, upper-roman, lower-alpha and upper-alpha. See also + CSS 3. Mostly IE lack of support.
list-style
margin
margin-*
padding
padding-*
text-align
text-decoration	No blink (argh my eyes)
text-indent
text-transform
width	Interesting
word-spacing	IE 5 no support
Table
border-collapse
caption-side
empty-cells	No IE support, possible fix with  ?
table-layout
vertical-align	Also applies to others with explicit height
Absolute positioning
bottom	Dangerous, must be non-negative
left
right
top
clip
position
z-index	Dangerous
Unknown
background-image	Dangerous
background-attachment	Depends on background-image
background-position	Depends on background-image
cursor	Dangerous but fluffy
display	Dangerous but interesting; + will not implement list-item, run-in (Opera only) or table (no IE); + inline-block has incomplete IE6 support and requires -moz-inline-box + for Mozilla.
height	Interesting, why use it?
list-style-image	Dangerous?
max-height	No IE 5/6
min-height
max-width
min-width
orphans	No IE support
widows	No IE support
overflow	IE 5/6 almost (remove visible if set)
page-break-after	IE 5.5/6 and Opera
page-break-before	Mostly supported
page-break-inside	Opera only
quotes	May be dropped from CSS2
visibility	Dangerous
white-space	Spotty implementation: pre (no IE 5/6), nowrap (no IE 5), + pre-wrap (only Opera), pre-line (no-support). Fixable?
Aural
azimuth
cue
cue-after
cue-before
elevation
pause-after
pause-before
pause
pitch-range
pitch
play-during
richness
speak-header	Table related
speak-numeral
speak-punctuation
speak
speech-rate
stress
voice-family
volume
Will not implement
content	Not applicable for inline styles
counter-increment	Needs content, Opera only
counter-reset	Needs content, Opera only
direction	No support
outline-color	IE Mac and Opera on outside, +Mozilla on inside and needs -moz-outline, no IE support.
outline-style
outline-width
outline
unicode-bidi	No support