<s>
The	O
font	B-General_Concept
family	I-General_Concept
selection	O
in	O
(	O
X	O
)	O
HTML	B-Language
,	O
CSS	B-Language
,	O
and	O
derived	O
systems	O
specifies	O
a	O
list	O
of	O
prioritized	O
fonts	O
and	O
generic	O
family	O
names	O
;	O
in	O
conjunction	O
with	O
correlating	O
font	O
properties	O
,	O
this	O
list	O
determines	O
the	O
particular	O
font	B-General_Concept
face	I-General_Concept
used	O
to	O
render	O
characters	O
.	O
</s>
<s>
The	O
family	O
selection	O
is	O
available	O
in	O
two	O
forms	O
:	O
in	O
the	O
deprecated	B-General_Concept
(	O
X	O
)	O
HTML	B-Language
element	O
with	O
its	O
attribute	O
,	O
and	O
in	O
the	O
CSS	B-Language
property	O
.	O
</s>
<s>
The	O
CSS	B-Language
term	O
font	B-General_Concept
family	I-General_Concept
is	O
matched	O
with	O
the	O
typographical	O
term	O
typeface	O
,	O
which	O
is	O
a	O
grouping	O
of	O
fonts	O
defined	O
by	O
shared	O
design	O
styles	O
.	O
</s>
<s>
The	O
CSS	B-Language
term	O
font	B-General_Concept
face	I-General_Concept
is	O
matched	O
with	O
"	O
font	O
"	O
;	O
it	O
is	O
decided	O
by	O
a	O
combination	O
of	O
the	O
font	B-General_Concept
family	I-General_Concept
and	O
the	O
additional	O
properties	O
.	O
</s>
<s>
In	O
both	O
HTML	B-Language
and	O
CSS	B-Language
,	O
the	O
list	O
is	O
separated	O
by	O
commas	O
.	O
</s>
<s>
To	O
avoid	O
unexpected	O
results	O
,	O
the	O
last	O
font	B-General_Concept
family	I-General_Concept
on	O
the	O
font	O
list	O
should	O
be	O
one	O
of	O
the	O
generic	O
families	O
which	O
are	O
by	O
default	O
always	O
available	O
.	O
</s>
<s>
The	O
following	O
example	O
defines	O
the	O
same	O
font	B-General_Concept
face	I-General_Concept
(	O
Times	O
or	O
a	O
default	O
serif	O
,	O
14	O
points	O
,	O
italics	O
)	O
in	O
three	O
ways	O
:	O
</s>
<s>
With	O
CSS	B-Language
in	O
a	O
separate	O
stylesheet	O
.	O
</s>
<s>
With	O
inline	O
CSS	B-Language
applied	O
to	O
an	O
element	O
via	O
the	O
attribute	O
.	O
</s>
<s>
With	O
the	O
deprecated	B-General_Concept
presentational	O
element	O
and	O
its	O
non-standard	O
attribute	O
.	O
</s>
<s>
(	O
is	O
not	O
deprecated	B-General_Concept
in	O
general	O
,	O
but	O
its	O
presentational	O
use	O
is	O
.	O
)	O
</s>
<s>
Although	O
CSS	B-Language
tries	O
to	O
define	O
a	O
font	B-General_Concept
family	I-General_Concept
as	O
the	O
same	O
as	O
a	O
typeface	O
,	O
the	O
entry	O
and	O
its	O
non-standard	O
HTML	B-Language
predecessor	O
has	O
also	O
historically	O
been	O
used	O
to	O
identify	O
the	O
entire	O
font	B-General_Concept
face	I-General_Concept
.	O
</s>
<s>
Neither	O
CSS2	B-Language
nor	O
CSS3	O
endorse	O
such	O
a	O
use	O
(	O
they	O
are	O
not	O
found	O
in	O
examples	O
)	O
,	O
but	O
most	O
browsers	O
accept	O
them	O
as	O
valid	O
"	O
names	O
"	O
nevertheless	O
.	O
</s>
<s>
A	O
default	B-General_Concept
installation	I-General_Concept
of	O
Firefox	B-Application
on	O
Microsoft	B-Application
Windows	I-Application
,	O
for	O
instance	O
,	O
will	O
display	O
both	O
serif	O
as	O
Times	O
New	O
Roman	O
,	O
and	O
both	O
sans-serif	O
as	O
Arial	O
.	O
</s>
<s>
These	O
families	O
are	O
not	O
generic	O
in	O
the	O
CSS	B-Language
sense	O
,	O
and	O
are	O
generally	O
not	O
handled	O
at	O
the	O
browser	O
level	O
.	O
</s>
