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

:root {
  --cell-size: 100px;
  --mark-size: calc(var(--cell-size) * .9);
}

body {
  margin: 0;
  padding: 0;
  color: #8fbc8f;
  font-family: "Papyrus" !important;
  font-size: 32px;
  background-color: lightgrey;
  text-align: center;
}

.board {
  width: 100vw;
  height: 100vh;
  display: grid;
  justify-content: center;
  align-content: center;
  justify-items: center;
  align-items: center;
  grid-template-columns: repeat(3, auto)
}

.cell{
  width: var(--cell-size);
  height: var(--cell-size);
  background-color: #8fbc8f;
  border: 1px solid #f4ecdd;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  cursor: pointer;
}

.cell:first-child,
.cell:nth-child(2),
.cell:nth-child(3) {
  border-top: none;
}

.cell:nth-child(3n + 1) {
  border-left: none;
}

.cell:nth-child(3n + 3) {
  border-right: none;
}

.cell:last-child,
.cell:nth-child(7),
.cell:nth-child(8) {
  border-bottom: none;
}

.cell.x,
.cell.circle {
  cursor: not-allowed;
}

.cell.x::before,
.cell.x::after,
.cell.circle::before {
  background-color: #EEE8AA;
}

.board.x .cell:not(.x):not(.circle):hover::before,
.board.x .cell:not(.x):not(.circle):hover::after,
.board.circle .cell:not(.x):not(.circle):hover::before {
  background-color: rgba(238, 232, 170, 0.54);
}

.cell.x::before,
.cell.x::after,
.board.x .cell:not(.x):not(.circle):hover::before,
.board.x .cell:not(.x):not(.circle):hover::after {
  content:'';
  position: absolute;
  width: calc(var(--mark-size) * 0.15);
  height: var(--mark-size);
}

.cell.x::before,
.board.x .cell:not(.x):not(.circle):hover::before {
  transform: rotate(45deg);
}

.cell.x::after,
.board.x .cell:not(.x):not(.circle):hover::after {
  transform: rotate(-45deg);
}

.cell.circle::before,
.cell.circle::after,
.board.circle .cell:not(.x):not(.circle):hover::before,
.board.circle .cell:not(.x):not(.circle):hover::after {
  content:'';
  position: absolute;
  border-radius: 50%;
  width: var(--mark-size);
  height: var(--mark-size);
}

.cell.circle::before,
.board.circle .cell:not(.x):not(.circle):hover::before {
  width: var(--mark-size);
  height: var(--mark-size);
}

.cell.circle::after,
.board.circle .cell:not(.x):not(.circle):hover::after {
  width: calc(var(--mark-size) * .7);
  height: calc(var(--mark-size) * .7);
  background-color: #8fbc8f;
}

.winning-message {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(143, 188, 143, 0.85);
  justify-content: center;
  align-items: center;
  color: #f4ecdd;
  font-size: 50px;
  flex-direction: column;
}

#restartButton {
  font-family: "Papyrus";
  font-size: 30px;
  background-color: #f4ecdd;
  border-radius: 8px;
  border-color: white;
  display: block;
  cursor: pointer;
  transition: 200ms transform;
}

#restartButton:hover {
  font-family: "Papyrus" !important;
  font-size: 30px;
  background-color: #8fbc8f;
  color: #f4ecdd;
  cursor: pointer;
  transform: translateY(-2px);
}

.winning-message.show {
  display: flex;
}

#playText {
  font-family: "Papyrus" !important;
  font-size: 64px;
  text-align: center;
  align-content: center;

}





* {
  box-sizing: border-box;
}