.opa {
	background: white;
	padding: 20px;
	width: 320px;
	text-align: center;
	margin-left:40%;
	border-radius: 10px;
	margin-top: 140px;
	box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}
body {
	font-family: Arial, sans-serif;
	background-color: lightblue;
	height: 600px;
}
select {
	width: 60%;
	padding: 7px;
	
	margin-top: 30px;
	
	border: 1px solid #ccc;
	background: #f9f9f9;
}
.enviar{
	background-color: #ffdc4f;
	width: 30%;
	padding: 10px;
	color:black;
	margin-top: 30px;
}
.titulo{
	margin-top: 10px;
    font-size: 22px;
    font-weight: bold;
}