.elaboracao { border: 2px solid gray; padding: 10px; }

tr.parcelas td {
  border: 2px solid gray;
  padding: 10px;
}
tr.parcelas td img, tr.desafios td img {
	margin-left: 20px;
	vertical-align: middle;
}
tr.parcelas td div, tr.desafios td div {
	vertical-align: middle;
}
table {
	margin: 0;
}
td {
	vertical-align: middle;
	font-size: 30px;
}
tr.desafios td div input {
	width: 80px;
	height: 60px;
	font-size: 36px;
	text-align: center;
}
tr.desafios td div {
	border: 1px solid gray;
	margin-top: 10px;
	padding: 10px;
	text-align: center;
}

tr.desafios td div img {
	margin-right: 10px;
}