.caixaamarela {
	font-family: Arial, Helvetica, sans-serif;
	font-size: 20px;
	color: #050505;
	padding: 10px 20px;
	background: -moz-linear-gradient(
		top,
		#f7ff00 0%,
		#ffbf00);
	background: -webkit-gradient(
		linear, left top, left bottom,
		from(#f7ff00),
		to(#ffbf00));
	-moz-border-radius: 30px;
	-webkit-border-radius: 30px;
	border-radius: 30px;
	border: 5px solid #000000;
	-moz-box-shadow:
		0px 1px 3px rgba(000,000,000,0.5),
		inset 0px 0px 1px rgba(255,255,255,0.7);
	-webkit-box-shadow:
		0px 1px 3px rgba(000,000,000,0.5),
		inset 0px 0px 1px rgba(255,255,255,0.7);
	box-shadow:
		0px 1px 3px rgba(000,000,000,0.5),
		inset 0px 0px 1px rgba(255,255,255,0.7);
	text-shadow:
		0px -1px 0px rgba(000,000,000,0.4),
		0px 1px 0px rgba(255,255,255,0.3);
}