@media only screen and (max-width: 600px) {
  .\@mob\:cl { clear: none }

  .\@mob\:cl\:b { clear: both }

  .\@mob\:cl\:l { clear: inline-start }
  .\@mob\:cl\:r { clear: inline-end }

  /* /// */

  html.clear .\@mob\:cl\:l { clear: left }
  html.clear .\@mob\:cl\:r { clear: right }
}