body{font-family:sans-serif}body,html{height:100%;margin:0;padding:0}table{border-collapse:collapse;height:100%;width:100%}td{font-size:40px;text-align:center;vertical-align:middle}table,td,th{border:1px solid #000}.hadaj-znak{background-color:red;color:#fff}a{color:#000;text-decoration:none}