Fix hamburger mixin
Fix hamburger mixin

lucasoneves/jeet,mojotech/jeet,durvalrafael/jeet,greyhwndz/jeet,mojotech/jeet,macressler/jeet,jakecleary/jeet,ccurtin/jeet,pramodrhegde/jeet,rafaelstz/jeet,nagyistoce/jeet,travisc5/jeet