.dispnoneOFF {
    display: none;
  }

.checktbox_all {
  display: flex;
}

@media screen and (max-width: 767px) {
div.ss_form table tr.dispnoneOFF {
    display: none;
}
div.ss_form table tr.dispnone {
border-top: 1px solid #ddd;
}
}