ducha-qianduan/public/assets/less/bootstrap-less/mixins/responsive-visibility.less

// Responsive utilities

//
// More easily include all the states for responsive-utilities.less.
.responsive-visibility() {
  display: block !important;
  table& {
    display: table !important;
  }
  tr& {
    display: table-row !important;
  }
  th&,
  td& {
    display: table-cell !important;
  }
}

.responsive-invisibility() {
  display: none !important;
}