:root {
    --lightgold: #fff5bd;
    --gold: #eac25c;
    --mediumgold: #bb9b49;;
}

.combiku-board {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -52%);
    width: 304px;
    height: 304px;
    background-color: var(--lightgold);
    border: 2px solid var(--gold);
    display: flex;
    flex-wrap: wrap;
}

.combiku-board .tile {
    width: 60px;
    height: 60px;
    border: 1px solid var(--gold);
    text-align: center;
    line-height: 60px;
    font-size: 30px;
    font-weight: bold;
    color: var(--mediumgold);
    user-select: none;
    cursor: default;
}

.square {
    background-image: url(../images/square.png);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
}

.circle {
    background-image: url(../images/circle.png);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
}

.diamond {
    background-image: url(../images/diamond.png);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
}

.star {
    background-image: url(../images/star.png);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
}

.hexagon {
    background-image: url(../images/hexagon.png);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
}