body {
    font-family: sans-serif;
    text-align: center;
    background-color: #fffde7;
}
#joc {
    position: relative;
    width: 400px;
    height: 300px;
    margin: 40px auto;
    border: 2px solid #000;
    background-color: #f0f4c3;
}
#player {
    position: absolute;
    width: 32px;
    height: 32px;
    left: 10px;
    top: 10px;
    font-size: 24px;
}
.wall {
    position: absolute;
    height: 20px;
    background-color: #8d6e63;
}
#goal {
    position: absolute;
    left: 350px;
    top: 250px;
    font-size: 28px;
}