JSFiddle - React, Tailwind, and code Playground

by amindunited

HTML

<div class="demo page">
  <div class="container">
    <h1>Flex Grid (Flex Box Grid) with CSS Custom Properties</h1>
    <div class="card">
      <h2>CSS Grid Layout</h2>

      <div class="gridContainer">
        <div class="gridRow">
          <div class="gridCell">
            <div class="item">
              1
            </div>
          </div>
        </div>
        <div class="gridCell">
          <div class="item">
            1
          </div>
        </div>
        <div class="gridCell">
          <div class="item">
            2
          </div>
        </div>
      </div>
      <!-- <div class="gridContainer">
        <div class="gridCell">
          <div class="item">
            1
          </div>
        </div>
        <div class="gridCell">
          <div class="item">
            2
          </div>
        </div>
      </div> -->
    </div>
  </div>
</div>

CSS

.gridContainer {
  --gutter: 16px;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
}

.gridRow {
  display: inherit;
  grid-template-columns: inherit;
  grid-column-start: 1;
  grid-column-end: end;
}

.gridCell {
  grid-column-end: span 1;
  padding-left: calc(var(--gutter) / 2); 
  padding-right: calc(var(--gutter) / 2);
}

.item {
  width: 100%;
  height: 100%;
  background-color: rgba(127, 127, 127, .1);
}

/**
  Demo Styles
  
  IGNORE.
  
*/

* {
  box-sizing: border-box;
}

html, body {
  padding: 0;
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}
h1, h2, h3, h4, h5, h6 {
  margin: 0;
  margin-top: 0.2em;
  margin-bottom: 0.2em;
}

.demo.page {
  background-color: rgba(225, 225, 225, 1);
  min-height: 100vh;
  padding: 16px;
}

.demo.page .container {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.demo.page .container .card {
  border-radius: 3px;
  background-color: white;
  box-shadow: 2px 2px 6px 1px rgba(127, 127, 127, .3);
  padding: 16px;
}