Conditional Stylesheets as a default feature

Currently, Nucleus supports Conditional Stylesheets module as a default feature. It will be easy to add some CSS for specific browsers like: Set the conditional stylesheets that are processed by IE.
stylesheets-conditional[lt IE 7][all][] = 'ie6-and-below.css'
stylesheets-conditional[IE 9][all][] = 'ie9.css'
stylesheets-conditional[IE][print][] = 'ie-print.css'
Read Conditional Stylesheets for more information