body {
    margin: 0;
    padding: 40px;
    background-color: #000000;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.main-container {
    background-color: #ffffff;
    padding: 40px 60px;
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
    justify-content: center;
}

.board-container {
    position: relative;
    width: 300px;
    height: 300px;
}

.board {
    width: 100%;
    height: 100%;
    display: block;
}

.piece {
    position: absolute;
    width: 80px;
    height: 80px;
}

/* Row 0 (Top) */
.pos-0-0 {
    top: 15px;
    left: 15px;
}

.pos-0-1 {
    top: 15px;
    left: 110px;
}

.pos-0-2 {
    top: 15px;
    left: 205px;
}

/* Row 1 (Middle) */
.pos-1-0 {
    top: 110px;
    left: 15px;
}

.pos-1-1 {
    top: 110px;
    left: 110px;
}

.pos-1-2 {
    top: 110px;
    left: 205px;
}

/* Row 2 (Bottom) */
.pos-2-0 {
    top: 205px;
    left: 15px;
}

.pos-2-1 {
    top: 205px;
    left: 110px;
}

.pos-2-2 {
    top: 205px;
    left: 205px;
}