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                <h2>Collapse to Accordions</h2>
<div class="Rtable Rtable--4cols Rtable--collapse js-RtableAccordions">
  <button class="Accordion" role="tab" aria-selected="true">Ned</button>
  <div class="Rtable-cell  Rtable-cell--head"><h3>Eddard Stark</h3></div>
  <div class="Rtable-cell">Has a sword named Ice</div>
  <div class="Rtable-cell">No direwolf</div>
  <div class="Rtable-cell  Rtable-cell--foot"><strong>Lord of Winterfell</strong></div>
  <button class="Accordion" role="tab" aria-selected="false">Jon</button>
  <div class="Rtable-cell  Rtable-cell--head"><h3>Jon Snow</h3></div>
  <div class="Rtable-cell">Has a sword named Longclaw</div>
  <div class="Rtable-cell">Direwolf: Ghost</div>
  <div class="Rtable-cell  Rtable-cell--foot"><strong>Knows nothing</strong></div>
  <button class="Accordion" role="tab" aria-selected="false">Arya</button>
  <div class="Rtable-cell  Rtable-cell--head"><h3>Arya Stark</h3></div>
  <div class="Rtable-cell">Has a sword named Needle</div>
  <div class="Rtable-cell">Direwolf: Nymeria</div>
  <div class="Rtable-cell  Rtable-cell--foot"><strong>No one</strong></div>




                @media all and (max-width: @breakpoint) { 
  .hiddenSmall {display: none; }

/* Tab Styling
==================================== */
@tabColour: darkcyan;

.Tablist {
  display: flex;
  flex-direction: row;
  margin-left: -@bw;
  @media all and (min-width: @breakpoint) { display: none; }
.Tab {
  padding: 0.6em 1em;
  margin: 0 @bw @bw 0;
  text-align: center;
  background-color: @tabColour;
  border: solid @bw @tabColour;
  border-bottom-width: 0;
  border-radius: 0.5em 0.5em 0 0;
  font-weight: bold;
  color: darken(@tabColour,20%);
  text-decoration: none;
  transition: background-color 0.1s;
  cursor: pointer;
  &:hover, &:focus {
    background-color: mix(white,@tabColour,10%);
    border-color: mix(white,@tabColour,10%);
    outline: none;
  &[aria-selected="false"]:active {
    margin-top: 0.2em;
    padding-bottom: 0.4em;
  &[aria-selected="true"] {
    background: mix(white,@tabColour,90%);
    cursor: default;

/* Accordion Styling
==================================== */
@accordionColour: darkcyan;
@iconSize: 2em;

.Accordion {
  position: relative; top: -@bw; left: -@bw; //compensate for border offset
  width: 100%;
  margin: 0 0 0.5em 0;
  padding: 0.6em 0.6em 0.6em (@iconSize);
  border-radius: 0.5em;
  text-align: left;
  border: solid @bw mix(black,@accordionColour,15%);
  background-color: @accordionColour;
  font-weight: bold;
  color: darken(@accordionColour,20%);
  text-decoration: none;
  transition: background-color 0.1s;
  cursor: pointer;
  @media all and (min-width: @breakpoint) { display: none; }
  &:hover, &:focus {
    outline: none;
    filter: contrast(150%);
  &[aria-selected="true"] {
    margin-bottom: 0;
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    border-bottom-width: 0;
    background: mix(white,@accordionColour,70%);
  &:before {
    content: "+";
    position: absolute;
    top: 50%;
    left: 0.3em;
    margin-top: -(@iconSize/1.75);
    font-weight: normal;
    font-size: @iconSize;
    line-height: @iconSize;
    background-size: @iconSize @iconSize;
  &[aria-selected="true"]:before {
    content: "-";

.js-RtableTabs, .js-RtableAccordions {
  min-width: 240px;


                (function ($) {
  "use strict";
  $.fn.responsiveTable = function() { 

    var toggleColumns = function($table) {
      var selectedControls = [];
      $table.find(".Accordion, .Tab").each( function() {
        selectedControls.push( $(this).attr("aria-selected") );
      var cellCount = 0, colCount = 0;
      var setNum = $table.find(".Rtable-cell").length / Math.max( $table.find(".Tab").length, $table.find(".Accordion").length );
      $table.find(".Rtable-cell").each( function() {
        if( selectedControls[colCount] === "true" ) $(this).removeClass("hiddenSmall");
        if( cellCount % setNum === 0 ) colCount++; 
    $(this).each(function(){ toggleColumns($(this)); });

    $(this).find(".Tab").click( function() {
      toggleColumns( $(this).parents(".Rtable") );

    $(this).find(".Accordion").click( function() {
      $(this).attr("aria-selected", $(this).attr("aria-selected") !== "true" );
      toggleColumns( $(this).parents(".Rtable") );


$(".js-RtableTabs, .js-RtableAccordions").responsiveTable();