JSFiddle - React, Tailwind, and code Playground

by poztin

HTML

<div class="layout horizontal fill layer1">
  <div class="pane">
    LEFT
  </div>
  <div class="pane">
    <div class="layout vertical fill layer2">
      <div class="pane">
        TOP
      </div>
      <div class="pane">
        <div class="content">CONTENT</div>
      </div>
      <div class="pane">
        BOTTOM
      </div>
    </div>
  </div>
  <div class="pane">
    RIGHT
  </div>
</div>

CSS

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  color: #fff;
}

.layout {
  display: flex;
  align-items: stretch;
  flex-wrap: nowrap;
  width: 100%;
}

.layout.horizontal {
  flex-direction: row;
}

.layout.vertical {
  flex-direction: column;
}

.pane {
  position: relative;
  flex: 1;
  overflow:auto;
}

.fill {
  min-height: 100%;
  height: 100%;
}

.content {
  background-color: salmon;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 200px;
  height: 200px;
}


/* Colour Highlighting */

.layer1 > .pane:nth-child(1) {
  background-color: steelblue;
}

.layer1 > .pane:nth-child(2) {
  background-color: plum;
}

.layer1 > .pane:nth-child(3) {
  background-color: lightsteelblue;
}

.layer2 > .pane:nth-child(1) {
  background-color: darkseagreen;
}

.layer2 > .pane:nth-child(2) {
  background-color: seagreen;
}

.layer2 > .pane:nth-child(3) {
  background-color: lightseagreen;
}