absolute

by JoeCoder

HTML

<div class="layer layer1">container should expand to the bottom of the child.
    <div class="layer layer2" contentEditable>Child with<br/>editable text.</div>
</div>

CSS

div.layer { position: absolute }
div.layer1 { width: 400px; border: 1px solid #ccc }
div.layer2 { top: 15px; left: 100px; width: 100px; border: 1px solid blue }