body {
    padding: 0;
    margin: 0;
    overflow: hidden;
}

#survey-btn {
    position: absolute;
    top: 24px;
    right: 24px;
    z-index: 1;
    padding: 16px;
    border-radius: 12px;

    background-color: #04AA6D; /* Green */
    border: none;
    color: white;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
  
  }

#survey-btn:hover {
    background-color: #aa0404; /* Green */
    color: white;
}

#loading-gif{
    position: absolute;
    z-index: -1;
    top: 50%;
    left: 50%;
    width: 500px;
    height: 500px;
    margin-top: -250px; /* Half the height */
    margin-left: -250px; /* Half the width */
  }

canvas {
position: absolute;
/* pointer-events: none */
}