CSSCompatibility

Selectors

dompdf supports the following CSS selector syntaxes. dompdf also supports elements with multiple class attributes (e.g. <p class="red bold">foo</p> matches p.red and p.bold).

Note that the CSS selectors are case sensitive in dompdf (e.g. .foo will not match <div class="FOO">bar</div>)

Selector	Supported	Version Added	Notes
*	yes
E	yes
E F	yes
E > F	yes
E.class	yes
E#myid	yes
E:first-child	partial
E:last-child	partial	0.6.0
E:first-of-type	yes	0.6.0
E:last-of-type	yes	0.6.0
E:nth-last-of-type	yes	0.6.0	Parsed as nth-of-type until 0.8.0
E:nth-last-child	yes	0.6.0	Parsed as nth-child until 0.8.0
E:nth-of-type	yes	0.6.0
E:nth-child	yes	0.6.0
E:link	yes
E:visited	N/A
E:active	N/A
E:hover	N/A
E:focus	N/A
E:lang(c)	no
E + F	yes		Behaved as E ~ F until 1.1.0
E ~ F	yes	1.1.0
E[foo]	yes
E[foo="warning"]	yes
E[foo~="warning"]	yes
E[foo$="warning"]	yes	0.6.0
E[foo^="warning"]	yes	0.6.0
E[foo*="warning"]	yes	0.6.0
E[lang|="en"]	yes

Page selectors

Page Selectors	Supported	Version Added	Notes
@page	yes
@page :left	yes	0.6.0	only margins are applied
@page :right	yes	0.6.0	only margins are applied
@page :odd	yes	0.6.0	only margins are applied
@page :even	yes	0.6.0	only margins are applied
@page :first	yes	0.6.0	only margins are applied

Pseudo elements

Property	Supported	Version Added	Notes
E:before	yes		Only on block and inline elements
E:after	yes		Only on block and inline elements

Properties

dompdf supports the majority of CSS 2.1 properties and some CSS 3 properties. Some notable properties are not supported however. See the following table for details on which properties are supported.

Property	Supported	Version Added	Notes
background-attachment	N/A
background-color	yes
background-image	yes
background-position	yes
background-repeat	yes
background	yes
border-collapse	yes
border-color	yes
border-radius	partial	0.6.0	only supported on block elements, only supports single radius value per corner
border-spacing	yes
border-style	yes
border-top	yes
border-top-color	yes
border-top-style	yes
border-top-width	yes
border-width	yes
border	yes
bottom	no
box-sizing	no
caption-side	no		Caption elements are moved before the table, as block elements
clear	partial	0.6.0	In 0.6.x DOMPDF_ENABLE_CSS_FLOAT must be true
clip	no
color	yes
content	yes
counter-increment	yes
counter-reset	yes
cursor	N/A
direction	no
display	partial		display type run-in is not supported
empty-cells	yes	0.6.0
float	partial	0.6.0	In 0.6.x DOMPDF_ENABLE_CSS_FLOAT must be true
font-family	yes
font-size	yes
font-style	yes
font-variant	no
font-weight	partial		Only normal and bold values are supported
font	yes
height	yes
left	yes
letter-spacing	yes		Not supported when using the GD backend
line-height	yes
list-style-image	yes
list-style-position	yes
list-style-type	yes
list-style	yes
margin-right	yes
margin-top	yes
margin	yes
max-height	partial
max-width	yes
min-height	partial
min-width	yes
opacity	partial		Not supported when using the GD backend
orphans	yes
outline-color	yes
outline-offset	yes	1.1.0
outline-style	yes
outline-width	yes
outline	yes
overflow	partial
overflow-wrap	yes	1.1.0
padding-top	yes
padding	yes
page-break-after	yes		Supported on tr elements since 1.1.0. Not supported on tbody elements
page-break-before	yes		Supported on tr elements since 1.1.0. Not supported on tbody elements
page-break-inside	yes		Not supported on tbody elements
position	yes
quotes	yes
right	no
size	yes		for @page
src	partial		for @font-face
table-layout	yes	0.6.0
text-align	yes
text-decoration	yes
text-indent	yes
text-transform	yes
transform	yes
top	yes
unicode-bidi	no
unicode-range	no		for @font-face
vertical-align	yes
visibility	yes
white-space	yes
widows	no
width	yes		auto support added in 0.7.1
word-spacing	yes		Not supported when using the GD backend
word-wrap	yes	0.6.0	Alias of overflow-wrap since 1.1.0
z-index	yes

CSS Units

Unit	Supported	Version Added	Notes
px	yes
pt	yes
%	yes
rem	yes	0.6.0
em	yes
cm	yes
mm	yes
ex	yes		Equals to em/2
in	yes
pc	yes
rad	yes	0.6.0	for 2D transforms
deg	yes	0.6.0	for 2D transforms

Colors

Color	Supported	Version Added	Notes
transparent	yes
currentColor	no
Basic color keywords	yes
Extended color keywords	yes
Numerical color values	yes
CMYK color values	yes	0.8.0
RGBA color values	yes	0.7.0	transparency was ignored prior to 0.7.1
HSL color values	no
HSLA color values	no
CSS2 system colors	no