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

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

body{
    margin: 0;
}
.micky{
    align-items: center;
    justify-content: center;
    align-content: center;
    padding-left: 500px;
    color: purple;
}
.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);
    border: 1px solid rgb(112, 70, 100);
    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(8),
.cell:nth-child(7) {
    border-bottom: none;
}

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

.cell.x::before,
.cell.x::after,
.cell.circle::before {
    background-color: rgb(48, 13, 48);
}



.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: rgb(180, 177, 180)
}

.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: "";
    width: calc(var(--mark-size)  * .15);
    position: absolute;
    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%;
}

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

.cell.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: white;
}

.winning-message{
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, .9);
    justify-content: center;
    align-items: center;
    color: white;
    font-size: 5rem;
    flex-direction: column;
}

.winning-message button {
    font-size: 3rem;
    background-color: white;
    border: 1px solid black;
    padding: .25em .5em;
    cursor: pointer;
}

.winning-message button:hover {
    background-color: black;
    color: white;
    border-color: white;
}
.winning-message.show {
    display: flex;
}