z-index dom order

templates.application.hbs

<h1>Z-index Dom Order Example</h1>
<br>
<br>
<Card as |card|>
	<h2>Both 'z-index=100'</h2>
  <div style="height: 100px"></div>
  <Circle style="position:absolute; z-index: 100"/>
  <Square style="position:absolute; z-index: 100"/>
	<h3>Second Component on top</h3>
</Card>
<Card as |card|>
	<h2>Both 'z-index=100'</h2>
  <div style="height: 100px"></div>
  <Square style="position:absolute; z-index: 100"/>
  <Circle style="position:absolute; z-index: 100"/>
	<h3>Second Component on top (reversed order)</h3>
</Card>
<br>
<br>

templates.components.card.hbs

<div style="margin: 10px; border: 1px solid #aaa; padding: 20px; border-radius: 5px; display: flex; align-items: center; justify-content: center; flex-direction:column;">
  {{yield}}
</div>

templates.components.circle.hbs

<div style="width: 100px; height:100px; border-radius:50%; background-color:rgba(255,0,0,1);"></div>

templates.components.square.hbs

<div style="width: 100px; height:100px; background-color:rgba(0,0,255,0.5)"></div>

twiddle.json

{
  "version": "0.15.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js",
    "ember": "3.4.3",
    "ember-template-compiler": "3.4.3",
    "ember-testing": "3.4.3"
  },
  "addons": {
    "ember-data": "3.4.2"
  }
}