:root {
    --orbitate-duration: 2.8s;
}

html,
body {
    height: 100%;
    overflow-y: hidden;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background-color: lightseagreen;
    perspective: 25rem;
}

.board {
    height: 300px;
    width: 300px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);

    display: grid;
    grid-template-rows: repeat(8, 1fr);
    border: 1px solid aliceblue;
}

.row {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
}

.row:nth-of-type(2n + 1) > .cell:nth-of-type(2n + 1),
.row:nth-of-type(2n) > .cell:nth-of-type(2n) {
    background-color: aliceblue;
}

.piece {
    height: 100%;
    width: 100%;
    object-fit: contain;
}