h1, table, td {
	font-family: sans-serif;
}

h1, p, table, .centered, input {
	margin-left: auto;
	margin-right: auto;
	text-align: center;
}

input[type=text] {
	width: 56px;
	height: 58px;
	text-align: center;
	font-size: 30px;
	margin: 0px;
	border-style: none;
}

table, td {
	border: 1px solid;
	padding: 0px;
}

table {
  border-collapse: collapse;
  table-layout: fixed;
}

td {
	width: 60px;
	height: 60px;
	text-align: center;
	font-size: 30px;
}

.borderless {
	border-style: none;
	width: 18px;
	height: 18px;
	font-size: 14px;
}

input[type=button] {
	margin: 10px;
}