body {
    margin: 0;
    padding: 0;
    background: linear-gradient(90deg, #9ebd13 0%, #008552 100%);
}

h1 {
    color: #FFF;
}

#container {
    display: flex;
    gap: 10px;
    flex-direction: column;
    align-items: center;
}

#game_board {
    width: 368px;
    height: 368px;   
    /* background-color: red; */
    display: flex;
    flex-wrap: wrap;
}

#piece_board {
    width: 736px;
    height: 184px;  
    /* background-color: red; */
    display: flex;
    flex-wrap: wrap;
}

.piece, .hint_piece {
    width: 90px;
    height: 90px;
    background-color: white;
    border: 1px #333 solid;
    cursor: pointer;
}

#btnNewGame {
    padding: 10px 80px;
    background-color: rgb(80, 231, 231);
    border: 0;
    border-radius: 10px;
    cursor: pointer;
}