<s>
A	O
CSS	B-General_Concept
framework	I-General_Concept
is	O
a	O
library	O
allowing	O
for	O
easier	O
,	O
more	O
standards-compliant	O
web	O
design	O
using	O
the	O
Cascading	B-Language
Style	I-Language
Sheets	I-Language
language	O
.	O
</s>
<s>
More	O
functional	O
frameworks	O
also	O
come	O
with	O
more	O
features	O
and	O
additional	O
JavaScript	B-Language
based	O
functions	O
,	O
but	O
are	O
mostly	O
design	O
oriented	O
and	O
focused	O
around	O
interactive	O
UI	O
patterns	O
.	O
</s>
<s>
This	O
detail	O
differentiates	O
CSS	B-General_Concept
frameworks	I-General_Concept
from	O
other	O
JavaScript	B-Language
frameworks	I-Language
.	O
</s>
<s>
Two	O
notable	O
and	O
widely	O
used	O
examples	O
are	O
Bootstrap	B-Application
and	O
Foundation	B-Application
.	O
</s>
<s>
CSS	B-General_Concept
frameworks	I-General_Concept
offer	O
different	O
modules	O
and	O
tools	O
:	O
</s>
<s>
Bigger	O
frameworks	O
use	O
a	O
CSS	B-Language
interpreter	O
like	O
Less	B-Language
or	O
Sass	B-Language
.	O
</s>
<s>
Name	O
Latest	O
release	O
(	O
date	O
)	O
License	O
Grid	O
Units	O
Features	O
of	O
columns	O
Blueprint	B-Application
1.0.1	O
(	O
May	O
14	O
,	O
2011	O
)	O
MIT	O
License	O
Typography	O
,	O
forms	B-General_Concept
,	O
print	O
,	O
plugins	O
for	O
buttons	O
,	O
tabs	O
,	O
and	O
sprites	O
.	O
</s>
<s>
</s>
<s>
Any	O
,	O
default	O
12Bootstrap	O
documentation	O
-	O
Customizing	O
the	O
grid	O
Foundation	B-Application
6.7.5	O
(	O
July	O
13	O
,	O
2022	O
)	O
MIT	O
License	O
fluid	O
px	O
,	O
%	O
Responsive	O
layout	O
,	O
source	O
ordering	O
,	O
typography	O
,	O
forms	B-General_Concept
,	O
buttons	O
,	O
navigation	O
,	O
media	O
queries	O
,	O
and	O
JavaScript	B-Language
libraries	O
.	O
</s>
<s>
Any	O
,	O
default	O
12Foundation	O
documentation	O
-	O
The	O
Grid	O
YAML	O
4.1.2	O
(	O
July	O
28	O
,	O
2013	O
)	O
CC-BY	O
2.0	O
fixed	O
,	O
elastic	O
,	O
fluid	O
px	O
,	O
em	O
,	O
%	O
Layout	O
,	O
grids	O
,	O
columns	O
,	O
forms	B-General_Concept
,	O
buttons	O
,	O
progressive	O
linearization	O
for	O
responsive	O
layouts	O
,	O
float	O
handling	O
,	O
navigation	O
,	O
typography	O
,	O
accessibility	O
,	O
and	O
add-ons	O
.	O
</s>
