style.css

:root{
    --white: #F5F7F8;
    --black: #45474B;
    --yellow: #F4CE14;
    --green: #495E57;
    background-color: var(--white);
    color: var(--black);
    font-size: larger;
    font-weight: 900;
}
.container{
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    flex-direction: column;
    gap: 10px;
}
.XOGrid{
    display: grid;
    grid-template-columns: repeat(3,1fr);
    grid-template-columns: repeat(3,1fr);
    gap: 0;
}
.cell{
    width: 150px;
    height: 150px;
    text-align: center;
    font-size: larger;
}
.bottom{
    border-bottom: 2px solid var(--black);
} 
.right{
    border-right: 2px solid var(--black);
}
.left{
    border-left: 2px solid var(--black);
}
.top{
    border-top: 2px solid var(--black);
}
.pacifico-regular {
    font-family: "Pacifico", cursive;
    font-weight: 400;
    font-style: normal;
}

.flex{
    display: flex;
    flex-direction: column;
}