html {
  box-sizing: border-box;
  font-size: 24px;
  line-height: 1.35;
  height: 100%;
}

*,
*::before,
*::after {
  box-sizing: inherit;
}

body {
  background-color: #F4F4ED;
}

h1 {
  color: #666666;
  font-family: 'Montserrat', Helvetica, Arial, sans-serif;
  font-size: 48px;
  text-transform: uppercase;
}

td {
  width: 3em;
  height: 3em;
  border: 2px solid #ffffff;
  background-color: #6decaf;
  color: #ffffff;
  font-size: 1.7em;
  font-weight: bold;
  text-align: center;
}

td:hover {
  background-color: #00f0b5;
}

.x {
  background-color: #5e239d;
}

.o {
  background-color: #f61067;
}

#gameContainer {
  margin-top: 1.5em;
}