The first commented line is your dabblet’s title

dabblet.css

/**
 * The first commented line is your dabblet’s title
 */
.flex-div {
	display: flex;
	background-color: white;
	margin-left: 20
	px;
}
.flex-row1 {
	background-color: red;
	width: 100px;
	height: 100px;
	margin: 2px;
	text-align:center;
	line-height: 100px;
}
@keyframes move {
	from:{left:0px; top:0px}
	to: {left:80px;
	top:80px;}
}
#moving {
	width: 20px;
	height: 20px;
	background-color: blue;
	position: relative;
	top: 10px;
	left: 10px;
	animation: move 2s ease-in-out 0s infinite;
}


#moving-container{
	width: 100px;
	height: 100px;
	background-color: green;
}

dabblet.html

<h1>Flexbox</h1>
<div class="flex-div">
	<div class="flex-row1">fafa</div>
	<div class="flex-row1" style="background-color: blue">fafa</div>
	<div class="flex-row1">fafa</div>
</div>
<div class="flex-div">	<div class="flex-row1">fafa</div>	<div class="flex-row1" style="background-color: blue">fafa</div>	<div class="flex-row1">fafa</div></div>
<div class="flex-div">	<div class="flex-row1">fafa</div>	<div class="flex-row1" style="background-color: blue">fafa</div>	<div class="flex-row1">fafa</div></div>
<h1>Animation</h1>
<div id="moving-container">
	<div id="moving">aaa</div>
</div>

dabblet.js

// alert('Hello world!');

settings.json

{"view":"split","fontsize":"100","seethrough":"","prefixfree":"1","page":"all"}