Thankyou to John Garrett from hypertransitory.com for making this swMenuFree tutorial video. It's pretty accurate except for the validation comments. The swMenuFree menu module should validate no matter what option is chosen for the style sheet as it writes the CSS or the links into the "head" section of the template. Do not use the "do not link" option unless you realise you will need to copy the CSS to a template CSS file. A much better option if you need to edit the CSS directly is to make the "load style sheet" option "link external" then press "export" and a new style sheet will be created and the menu module will be set to link to it in the front end of your site. You can then use the manual CSS editor in swMenuFree to edit that file.