dabblet.css

/**
 * Center aligned placeholder text
 */

input {
	box-sizing: border-box;
	width: 100%;
	padding: 1em;
	border: 0.15em solid #808080;
	border-radius: 0.5em;
	text-align: center;
}

::-webkit-input-placeholder {
   color: #808080;
   text-align: center;

}

:-moz-placeholder {
   color: #808080;
   text-align: center;

}

dabblet.html

<form>
<input placeholder="Oh placeholder text, you sick son of a bitch" />
</form>

settings.json

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