body {
    font-family: Arial, sans-serif;
    text-align: center;
    margin: 50px;
}

#crossword table {
    margin: 0 auto;
    border-collapse: collapse;
}

#crossword td {
    border: 3px solid #004e97;
    width: 50px;
    height: 50px;
    text-align: center;
    vertical-align: middle;
}

#crossword input {
	font-family : trebuchet ms, verdana, arial, tahoma; 
    width: 100%;
    height: 100%;
    text-align: center;
    font-size: 20px;
	 color: #004e97;
    border: none;
    outline: none;
}