style.css

#board {
  width: 800px;
  margin: 0 auto;
}

h1 {
	font-family: 'Indie Flower';
	font-size: 72px;
	font-style: normal;
	font-variant: normal;
	font-weight: 500;
	line-height: 26.4px;
  text-align: center;
  margin: 5px;
}

h3 {
	font-family: 'Indie Flower';
	font-size: 24px;
	font-style: normal;
	font-variant: normal;
	font-weight: 500;
	line-height: 26.4px;
  text-align: center;
  margin: 20px;
}

.cell {
  height: 140px;
  width: 140px;
  padding-left: 75px;
  cursor: pointer;
}

.ver {
  border-left: solid 10px;
  border-right: solid 10px;
}
.hor {
  border-top: solid 10px;
  border-bottom: solid 10px;
}

table {
  margin: 0 auto;
}
[data-symbol="x"] {
  background-image: url('img/X.gif');
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center center;
}
[data-symbol="o"]  {
  background-image: url('img/O.png');
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center center;
}