html, body {
  margin: 0;
  padding: 0;
  overflow: hidden; /* Belangrijk: dit voorkomt scrollbars */
}

canvas {
    border: 1px solid black;
}

.controls {
    display: none;
    flex-direction: column;
    visibility: hidden;

    .gfname {
        display: inline-block;
        width:70px;
    }

    .control {
        margin: 2px;
    }

}