style.css

body {
    padding: 0;
    margin: 0;
}

#board {
    width: 90%;
    height: auto;
    display: flex;
    flex-wrap: wrap;
    border: 1px solid black;
}

.solution {
    background-image: url('src/Labyrinth/images/sport.png');
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
}

.player {
    background-image: url('src/Labyrinth/images/start.png');
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
}

.danger {
    background-image: url('src/Labyrinth/images/wall.png');
    background-size: cover;
    background-position: center;
}

.end {
    background-image: url('src/Labyrinth/images/medal.png');
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
}