.flash-success
  %span
    This is a success message
    %a{href: "#"} with a link
.flash-error
  %span
    This is an error message
    %a{href: "#"} with a link
.flash-notice
  %span
    This is an notice message
    %a{href: "#"} with a link
.flash-alert
  %span
    This is an alert message
    %a{href: "#"} with a link