<s>
Blueprint	B-Application
is	O
a	O
CSS	B-General_Concept
framework	I-General_Concept
designed	O
to	O
reduce	O
development	O
time	O
and	O
ensure	O
cross-browser	B-Architecture
compatibility	I-Architecture
when	O
working	O
with	O
Cascading	B-Language
Style	I-Language
Sheets	I-Language
(	O
CSS	B-Language
)	O
.	O
</s>
<s>
It	O
also	O
serves	O
as	O
a	O
foundation	O
for	O
many	O
tools	O
designed	O
to	O
make	O
CSS	B-Language
development	O
easier	O
and	O
more	O
accessible	O
to	O
beginners	O
.	O
</s>
<s>
Blueprint	B-Application
is	O
released	O
under	O
a	O
modified	O
version	O
of	O
the	B-License
MIT	I-License
License	I-License
,	O
making	O
it	O
free	B-Application
software	I-Application
.	O
</s>
<s>
It	O
can	O
be	O
either	O
used	O
as	O
is	O
,	O
or	O
further	O
adapted	O
for	O
use	O
via	O
a	O
compression	O
tool	O
that	O
is	O
written	O
in	O
Ruby	B-Language
.	O
</s>
<s>
Blueprint	B-Application
was	O
first	O
created	O
by	O
Olav	O
Bjørkøy	O
and	O
released	O
on	O
August	O
3	O
,	O
2007	O
.	O
</s>
<s>
By	O
August	O
11	O
,	O
Blueprint	B-Application
included	O
work	O
based	O
on	O
ideas	O
from	O
Jeff	O
Croft	O
,	O
Nathan	O
Borror	O
,	O
Christian	O
Metts	O
,	O
and	O
Eric	O
Meyer	O
.	O
</s>
<s>
Blueprint	B-Application
's	O
README	O
file	O
lists	O
the	O
following	O
features	O
as	O
being	O
provided	O
out-of-the-box	O
:	O
</s>
<s>
One	O
of	O
the	O
goals	O
stated	O
by	O
the	O
core	O
team	O
is	O
to	O
facilitate	O
the	O
development	O
of	O
new	O
tools	O
for	O
working	O
with	O
CSS	B-Language
.	O
</s>
<s>
A	O
variety	O
of	O
CSS	B-Language
generators	O
,	O
visual	B-Application
editors	I-Application
,	O
themes	B-Application
,	O
and	O
frameworks	O
are	O
based	O
on	O
Blueprint	B-Application
,	O
many	O
of	O
which	O
can	O
be	O
found	O
on	O
the	O
.	O
</s>
