@charset "UTF-8";
html {
    width: 100%;
    height: 100%;
    margin: 0;
    border: 0;
    padding: 0;
}
body {
    width : 100%;
    height : 100%;
    margin: 0;
    border: 0;
    padding: 0;
    overflow: hidden;
    background-size: cover;
    background-position: center;
}
#main_canvas {
    width : 100%;
    height : 100%;
    margin: 0;
    padding: 0;
}

#canvas {
    width: 100%;
    height: 100%;
    display: block;
    background-color: #d6e9ca;
  }

  #message {
    width: 90%;
    padding-left: 1rem;
    font-size: 1rem;
    background-color: rgba(255, 255, 255, 0.5);
  }