head {display: block;}
style {display: block; position: fixed;
	top: 0; right: 0; padding: 0 1em 1em;
	background: #BBB; border: 1px solid gray; border-width: 0 0 1px 1px;
	font: smaller monospace; white-space: pre;}
style:hover, style:focus {background: transparent; border-width: 0; opacity: 0.5;}