body {
    margin: 0;
    background: black;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}



canvas {
    border: 3px solid #0ff;

    /* Fondo negro semitransparente */
    background: rgba(0, 0, 0, 0.6);

    /* Efecto neón */
    box-shadow:
        0 0 10px #0ff,
        0 0 20px #0ff,
        0 0 40px #0ff;
}




#resetBtn {
    position: absolute;
    display: none;

    padding: 15px 30px;
    font-size: 20px;

    background: black;
    color: #0ff;
    border: 2px solid #0ff;

    box-shadow: 0 0 10px #0ff, 0 0 20px #0ff;

    cursor: pointer;
}



body {
    margin: 0;
    background: url("assets/background.png") no-repeat center center fixed;
    background-size: cover;

    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}