body {
  font-family: "Courier New", Courier, monospace;
  display: flex;
  flex-direction: column;
  align-items: center;
}

#game {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.row {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  max-width: 300px;
}

.cell {
  width: 80px;
  height: 80px;
  border: 1px solid black;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 32px;
  cursor: pointer;
}

#active-player {
  font-size: 1.2em;
}

#end {
  font-size: 1.5em;
}

input[type="submit"],
button {
  margin: 1em;
  padding: 0.5em 1.5em;
  background-color: transparent;
  border: 2px solid #252323;
  box-shadow: inset 0 3px 6px rgba(0, 0, 0, 0.2);
  font-weight: bold;
}

input[type="submit"]:hover,
button:hover {
  background-color: #0000001e;
  border: 2px solid #808080;
}

input[type="submit"]:active,
button:active {
  background-color: #80808076;
  border: 2px solid #404040;
  transform: translate(0, 0) scale(0.9);
}

#form-heading {
  text-align: center;
}

.form-row {
  margin: 0.5em;
}

.buttons-row {
  display: flex;
  justify-content: space-evenly;
}