css code error

i am using Openpublish i like it now i m using my site , my problem is wheni add some artcle after saving i found some css code in article please help
i am using latest version of open publish

p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; text-align: right; font: 12.0px 'Geeza Pro'}
span.s1 {font: 12.0px Helvetica}

thanks