.row::before{
  content: unset !important;
  display: unset !important;
}

.clearfix:before{
  content: unset !important;
  display: unset !important;
}

.container:before{
  content: unset !important;
  display: unset !important;
}

.nav:before{
  content: unset !important;
  display: unset !important;
}