line 1 column 1 - Warning: missing declaration line 7 column 1 - Warning: The summary attribute on the element is obsolete in HTML5 Info: Document content looks like HTML5 2 warnings, 0 errors were found! You are recommended to use CSS to specify the font and properties such as its size and color. This will reduce the size of HTML files and make them easier to maintain compared with using elements. About HTML Tidy: https://github.com/htacg/tidy-html5 Bug reports and comments: https://github.com/htacg/tidy-html5/issues Or send questions and comments to: https://lists.w3.org/Archives/Public/public-htacg/ Latest HTML specification: http://dev.w3.org/html5/spec-author-view/ Validate your HTML documents: http://validator.w3.org/nu/ Lobby your company to join the W3C: http://www.w3.org/Consortium