.sudoku, .sudoku_block{
	padding: 0;
	margin: 0;
	border-spacing: 0;
	border-collapse: collapse;
}
.sudoku td{
	border: 2px solid black;
	padding: 0;
	margin: 0;
}
.sudoku_block td{
	border: 1px solid black;
}
.sudoku_cell{
	font-weight: bold;
	padding: 0;
	margin: 0;
	border: 1px solid black;
	height: 50px;
	width: 50px;
	font-size: 26px;
	font-family: 'Times New Roman';
}
.sudoku_cell_input{
	background-color: #CCCCCC;
	border-style: none;
	text-align: center;
	font-weight: bold;
	font-size: 26px;
	font-family: 'Times New Roman';
	line-height: 0px;
	padding: 12px;
	margin: 0;
	width: 26px;
	height: 26px;
}
.sudoku_cell_input:focus{
	background-color: #CCCCFF;
	border: 2px solid #EEEEFF;
	padding: 10px;
}