<title>flexbox | cleared item</title>

<link rel="author" href="http://opera.com" title="Opera Software">

<link rel="help" href="http://www.w3.org/TR/css-flexbox-1/#flex-containers">

<link rel="match" href="flexbox_item-clear-ref.html">

#float {

background: #3366cc;

padding: 1em;

float: left;

}

#flex {

background: #ffcc00;

display: flex;

}

div div {

margin: 2em;

height: 4em;

clear: both;

}

<div id="float">filler</div>

<div id="flex">

<div>Yellow box should be to the right of the blue box, and

never below</div>