.square {
  width: 33px;
  height: 33px;
  background: #eee;
  font-size: 250%;
  line-height:1em;
  text-align:center;
  border: 1px solid #000;

  -webkit-user-select: none;
  -khtml-user-select: none;
  -moz-user-select: none;
  -o-user-select: none;
  user-select: none;
}

.dropdown{
  width: 33px;
  height: 33px;
}

/*
label select {
  height: 90px;
}



#square select { 
width:100px; }

#square select:focus {
width:auto; }


#ticktacktoe table, th, td {
  border: 3px solid black;
}
*/

td {<!--from  w  w  w .  j av  a 2 s .  c om-->
   width: 33px;
   height: 33px;
   border: 1px solid #000;
}
td:nth-of-type(3n) {
   border-right: 3px solid red !important;
}
tr:nth-of-type(3n) td {
   border-bottom: 3px solid red !important;
}
table {
   border: 3px solid red !important;
}