div.test {
  color: red;
}
#board {
  width: 300px;
  height: 300px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 5px;
  margin: 20px auto;
  /*border-style: solid;
  border-radius: 6px;
  border-color: black;
  border-width: 2px;*/
}
.cell {
  /*background: #f0f0f0;*/
  background: lightgreen;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  cursor: pointer;
  border-style: solid;
  border-radius: 6px;
  border-color: black;
  border-width: 2px;
  transition: 0.2s;
  margin: -2px;
}
.cell:hover {
  /*background: #e2e2e2;*/
  background: lightblue;
}
#status {
  text-align: center;
  font-size: 24px;
  margin-top: 15px;
}
#reset {
  display: block;
  margin: 20px auto;
  padding: 10px 20px;
  font-size: 18px;
  cursor: pointer;
}