Untitled

dabblet.css

div {
width: 250px;
background: blue;
}

#select {
display: block;
margin: auto;
width: auto
}

dabblet.html

<div><select id="select">
<option>chrome</option>
<option>firefox</option>
<option>ie</option>
<option>opera</option>
<option>netscape</option>
<option>lynx</option>
</select>
</div>

settings.json

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