npm install R2R2  
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R2 helps you achieve cross-language layout-friendly websites (including bi-directional text). It looks like this:
`` css
/ before /
#content {
float: left;
margin-right: 2px;
padding: 1px 2px 3px 4px;
left: 5px;
}
.info {
text-align: right;
}
/ after /
#content {
float: right;
margin-left: 2px;
padding: 1px 4px 3px 2px;
right: 5px;
}
.info {
text-align: left;
}
`
Install it
----------
$ [sudo] npm install R2 -g
Use it as a CLI
---------------
$ r2 input.css output.css --no-compress
Require it as a Node module
------------------------------
` js``
var output = require('R2').swap(css)
Test It
----------
$ npm test
Caution
--------
R2 will only work as good as what you give it, therefore inline-styles embedded in your HTML will not converted, and therefore may cause unexpected results. However inline-styles apart from R2 is still a bad idea, and you should avoid it anyway in favor of separating content from presentation.
Happy layout Swapping!