CSS Validation Erros

Hi, i'm using Catch Evolution Pro 2.7 and i get CSS Validation Errors. I'm trying to get me site clean. Is there any way to correct the Errors? Here are the results for my site: http://jigsaw.w3.org/css-validator/validator?uri=http%3A%2F%2Fwww.frankysweb.de%2F&profile=css3&warning=no&lang=de&vextwarning=true I know, there is much more work... regards, Frank