<s>
Tailwind	B-Application
CSS	I-Application
is	O
an	O
open	B-License
source	I-License
CSS	B-General_Concept
framework	I-General_Concept
.	O
</s>
<s>
The	O
main	O
feature	O
of	O
this	O
library	O
is	O
that	O
,	O
unlike	O
other	O
CSS	B-General_Concept
frameworks	I-General_Concept
like	O
Bootstrap	B-Application
,	O
it	O
does	O
not	O
provide	O
a	O
series	O
of	O
predefined	O
classes	O
for	O
elements	B-General_Concept
such	O
as	O
buttons	O
or	O
tables	O
.	O
</s>
<s>
Instead	O
,	O
it	O
creates	O
a	O
list	O
of	O
"	O
utility	O
"	O
CSS	B-Language
classes	O
that	O
can	O
be	O
used	O
to	O
style	O
each	O
element	O
by	O
mixing	O
and	O
matching	O
.	O
</s>
<s>
As	O
of	O
23rd	O
January	O
2023	O
,	O
Tailwind	B-Application
CSS	I-Application
has	O
over	O
64,400	O
stars	O
on	O
GitHub	B-Application
.	O
</s>
<s>
Due	O
to	O
the	O
difference	O
in	O
basic	O
concepts	O
in	O
relation	O
to	O
other	O
traditional	O
CSS	B-General_Concept
frameworks	I-General_Concept
such	O
as	O
Bootstrap	B-Application
,	O
it	O
is	O
important	O
to	O
know	O
the	O
philosophy	O
from	O
which	O
Tailwind	O
was	O
created	O
,	O
as	O
well	O
as	O
its	O
basic	O
usage	O
.	O
</s>
<s>
There	O
are	O
many	O
utility	O
classes	O
in	O
TailwindCSS	O
that	O
enable	O
to	O
control	O
a	O
large	O
number	O
of	O
CSS	B-Language
properties	O
like	O
colors	O
,	O
border	O
,	O
display	O
type	O
(	O
display	O
)	O
,	O
font	O
size	O
and	O
font	O
,	O
layout	O
,	O
shadow	O
...	O
</s>
<s>
The	O
main	O
use	O
of	O
variants	O
is	O
to	O
design	O
a	O
responsive	B-General_Concept
interface	I-General_Concept
for	O
various	O
screen	O
sizes	O
.	O
</s>
<s>
There	O
are	O
also	O
variants	O
for	O
the	O
different	O
states	O
an	O
element	O
can	O
have	O
,	O
such	O
as	O
for	O
when	O
hovered	O
,	O
when	O
keyboard	O
selected	O
or	O
when	O
in	O
use	O
,	O
or	O
when	O
the	O
browser	O
or	O
operating	O
system	O
has	O
dark	B-General_Concept
mode	I-General_Concept
enabled	O
.	O
</s>
<s>
Tailwind	B-Application
CSS	I-Application
is	O
developed	O
using	O
JavaScript	B-Language
,	O
runs	O
via	O
Node.js	B-Language
,	O
and	O
installs	O
with	O
environment	O
package	O
managers	O
like	O
npm	B-Language
or	O
yarn	B-Language
.	O
</s>
<s>
In	O
the	O
configuration	O
one	O
can	O
set	O
the	O
values	O
of	O
the	O
utility	O
classes	O
,	O
such	O
as	O
the	O
color-palette	O
or	O
the	O
sizes	O
between	O
elements	B-General_Concept
for	O
margins	O
.	O
</s>
<s>
The	O
default	O
mode	O
of	O
Tailwind	O
is	O
that	O
the	O
system	O
generates	O
all	O
possible	O
CSS	B-Language
combinations	O
based	O
on	O
the	O
project	O
settings	O
.	O
</s>
<s>
Then	O
,	O
by	O
means	O
of	O
another	O
utility	O
such	O
as	O
PurgeCSS	O
,	O
all	O
the	O
files	O
are	O
traversed	O
,	O
and	O
the	O
classes	O
that	O
are	O
not	O
being	O
used	O
are	O
removed	O
from	O
the	O
resulting	O
CSS	B-Language
file	O
.	O
</s>
<s>
Due	O
to	O
the	O
number	O
of	O
classes	O
that	O
can	O
be	O
generated	O
by	O
the	O
number	O
of	O
variants	O
and	O
their	O
combinations	O
,	O
this	O
method	O
has	O
the	O
drawbacks	O
of	O
long	O
waiting	O
times	O
and	O
large	O
sizes	O
of	O
CSS	B-Language
files	O
before	O
being	O
purged	O
.	O
</s>
<s>
This	O
mode	O
of	O
operation	O
is	O
no	O
longer	O
available	O
in	O
version	O
3	O
of	O
Tailwind	B-Application
CSS	I-Application
.	O
</s>
<s>
JIT	O
mode	O
(	O
Just-In-Time	O
)	O
is	O
an	O
alternative	O
way	O
to	O
generate	O
the	O
CSS	B-Language
that	O
,	O
instead	O
of	O
generating	O
all	O
possible	O
classes	O
and	O
then	O
removing	O
all	O
those	O
that	O
are	O
not	O
being	O
used	O
,	O
parses	O
the	O
content	O
of	O
HTML	O
files	O
(	O
or	O
configured	O
extensions	O
or	O
locations	O
)	O
and	O
instantly	O
generates	O
only	O
those	O
classes	O
that	O
are	O
needed	O
and	O
used	O
.	O
</s>
<s>
Because	O
all	O
possible	O
variables	O
are	O
no	O
longer	O
generated	O
,	O
the	O
waiting	O
time	O
and	O
size	O
of	O
the	O
resulting	O
CSS	B-Language
files	O
is	O
greatly	O
reduced	O
.	O
</s>
<s>
Starting	O
with	O
version	O
3	O
of	O
Tailwind	B-Application
CSS	I-Application
,	O
JIT	O
mode	O
has	O
become	O
the	O
default	O
.	O
</s>
<s>
Tailwind	B-Application
CSS	I-Application
uses	O
semantic	O
versioning	O
to	O
identify	O
its	O
version	O
compatibility	O
.	O
</s>
