body{
    font-family: 'Open Sans', sans-serif;
    text-align: center;
    background: rgba(0, 68, 0, 0.5);
    backdrop-filter: blur(5px);
}


hr{
    width: 500px;
    height: 3px;
    background-color: black;

}

#board{
    width: 450px;
    height: 450px;
    background-color: yellowgreen;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
}

.tile{
    width: 147px;
    height: 147px;
    font-size: 150px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.horizontal-line{
    border-bottom: 3px solid black;
}

.vertical-line{
    border-right: 3px solid black;
}

.winner{
    background-color: lightslategrey;
    color: red;
}