Must see tips how i edit wordpress css file, and list of css tools that will definitely hep you modifying your blog’s layout.
Fix An Attribute Value Specification
If you have same issue validating your site with “an attribute value specification..” error message, this will fix it.
“Textarea”-Required Attribute “Cols” Not Specified
Small tip if you have similar problem of cleaning your code in W3C with “”textarea”-required attribute “cols” not specified” error message.