JSFiddle - React, Tailwind, and code Playground

Material Design Expanding Overlay

by Jennifer Perrin

HTML

<link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/font-awesome/4.3.0/css/font-awesome.min.css">
<script src="http://fonts.googleapis.com/css?family=Open+Sans:400,300,700"></script>
<main>
    <h1><a href="http://ettrics.com/">Ettrics</a></h1>
    <p>A Material Design inspired expanding overlay for showcasing a variety of content.</p>
    <p><a href="https://twitter.com/ettrics/" target="_blank"><i class="fa fa-twitter"></i></a></p><img src="https://s3-us-west-2.amazonaws.com/s.cdpn.io/45226/plate.svg" alt="" class="plate"/>
</main>
<!-- Component starts here-->
<ul class="blocks-names">
    <li class="blocks__name">Eggs</li>
    <li class="blocks__name">Bacon</li>
    <li class="blocks__name">Toast</li>
    <li class="blocks__name">Donuts</li>
    <li class="blocks__name">Coffee</li>
</ul>
<ul class="blocks">
    <li id="1" class="blocks__block"></li>
    <li id="2" class="blocks__block"></li>
    <li id="3" class="blocks__block"></li>
    <li id="4" class="blocks__block"></li>
    <li id="5" class="blocks__block"></li>
</ul>
<ul class="blocks-content">
    <li class="blocks-content__content">
        <div class="content__close"></div>
        <h2>Eggs</h2>
        <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Vitae modi esse, totam sequi non quae, rerum facilis nesciunt iusto praesentium officiis assumenda dignissimos. Saepe, facere incidunt. Laudantium quisquam asperiores sint.</p><i class="blocks__content-close fa fa-close"></i>
    </li>
    <li class="blocks-content__content">
        <h2>Bacon</h2>
        <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Deleniti ducimus voluptate velit quae cumque neque minima harum libero eligendi alias laboriosam ad, consequuntur error atque incidunt assumenda sapiente! Architecto, excepturi?</p><i class="blocks__content-close fa fa-close"></i>
    </li>
    <li class="blocks-content__content">
        <h2>Toast</h2>
        <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Sint...

CSS

* {
  box-sizing: border-box;
}
body {
  font-family: 'Open Sans';
  font-weight: 400;
  text-align: center;
}
.blocks {
  position: fixed;
  bottom: 0;
  z-index: 1;
  list-style-type: none;
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  width: 100%;
  margin: 0;
  padding: 0;
}
.blocks__block {
  will-change: transform;
  position: relative;
  height: 20vh;
  -webkit-box-flex: 1;
  -webkit-flex: 1;
      -ms-flex: 1;
          flex: 1;
  -webkit-transition: all 0.7s cubic-bezier(0.23, 1, 0.32, 1);
          transition: all 0.7s cubic-bezier(0.23, 1, 0.32, 1);
}
.blocks__block:nth-child(1) {
  background: #f4d35d;
  -webkit-transform-origin: 0% 100%;
      -ms-transform-origin: 0% 100%;
          transform-origin: 0% 100%;
}
.blocks__block:nth-child(2) {
  background: #db5b4a;
  -webkit-transform-origin: 25% 100%;
      -ms-transform-origin: 25% 100%;
          transform-origin: 25% 100%;
}
.blocks__block:nth-child(3) {
  background: #e2bb7f;
  -webkit-transform-origin: 50% 100%;
      -ms-transform-origin: 50% 100%;
          transform-origin: 50% 100%;
}
.blocks__block:nth-child(4) {
  background: #f67b7d;
  -webkit-transform-origin: 75% 100%;
      -ms-transform-origin: 75% 100%;
          transform-origin: 75% 100%;
}
.blocks__block:nth-child(5) {
  background: #a1775a;
  -webkit-transform-origin: 100% 100%;
      -ms-transform-origin: 100% 100%;
          transform-origin: 100% 100%;
}
.blocks__block.active {
  z-index: 2;
}
.blocks-content {
  list-style-type: none;
  margin: 0;
  padding: 0;
  position: absolute;
  bottom: 0;
  left: 0;
  height: 100vh;
  width: 100%;
}
.blocks-content__content {
  will-change: transform, opacity;
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -webkit-align-items: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
     ...

JavaScript

(function() {
  var bHeight, bWidth, block, bname, closeBtn, closeContent, content, expand, openContent, updateValues, wHeight, wWidth, xVal, yVal;

  block = $('.blocks__block');

  bname = $('.blocks__name');

  content = $('.blocks-content__content');

  closeBtn = $('.blocks__content-close');

  wHeight = $(window).outerHeight();

  wWidth = $(window).outerWidth();

  bHeight = block.outerHeight();

  bWidth = block.outerWidth();

  xVal = Math.round(wWidth / bWidth) + 0.03;

  yVal = wHeight / bHeight + 0.03;

  expand = function() {
    var aBlock, num;
    num = $(this).index();
    aBlock = block.eq(num);
    if (!aBlock.hasClass('active')) {
      bname.css('opacity', '0');
      aBlock.css({
        'transform': 'scale(' + xVal + ',' + yVal + ')',
        '-webkit-transform': 'scale(' + xVal + ',' + yVal + ')'
      });
      aBlock.addClass('active');
      openContent(num);
    }
  };

  openContent = function(num) {
    var aContent;
    content.css({
      'transition': 'all 0.3s 0.4s ease-out',
      '-webkit-transition': 'all 0.3s 0.4s ease-out'
    });
    aContent = content.eq(num);
    aContent.addClass('active');
  };

  closeContent = function() {
    bname.css('opacity', '1');
    content.css({
      'transition': 'all 0.1s 0 ease-out',
      '-webkit-transition': 'all 0.1s 0 ease-out'
    });
    block.css({
      'transform': 'scale(1)',
      '-webkit-transform': 'scale(1)'
    });
    block.removeClass('active');
    content.removeClass('active');
  };

  updateValues = function() {
    var yVal;
    var xVal;
    var bWidth;
    var bHeight;
    var wWidth;
    var wHeight;
    var aBlock;
    if (block.hasClass('active')) {
      aBlock = $('.blocks__block.active');
      wHeight = $(window).height();
      wWidth = $(window).width();
      bHeight = block.height();
      bWidth = block.width();
      xVal = Math.round(wWidth / bWidth) + 0.03;
      yVal = wHeight / bHeight + 0.03;
      aBlock.css({
        'transform': 'scale(' +...