Fixed some doc site style issues on landing page
Fixed some doc site style issues on landing page

hansmaad/chartist-js,gionkunz/chartist-js,hansmaad/chartist-js,gionkunz/chartist-js,chartist-js/chartist,cr3ative/chartist-js,cr3ative/chartist-js,chartist-js/chartist,chartist-js/chartist