Not working for css import

The following HTML string is not converting to an absolute path, kindly check and fix.




```
<style>
   @import url("../assets/css/style.css");
   @import url("../assets/plugins/datatable/css/jquery.dataTables.min.css");
   @import url("../assets/plugins/datatable/css/semantic.min.css");
  @import url("../assets/plugins/datatable/css/dataTables.semanticui.min.css");
</style>
```
 

