body {
  margin: 0;
  padding: 0;
  overflow: hidden;
  color: #6997DB;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  background-image: url('./BackgroundC_01.png');
  -webkit-touch-callout: none; /* iOS Safari */
  -webkit-user-select: none; /* Safari */
  -khtml-user-select: none; /* Konqueror HTML */
  -moz-user-select: none; /* Old versions of Firefox */
  -ms-user-select: none; /* Internet Explorer/Edge */
  user-select: none; /* Non-prefixed version, currently supported by Chrome, Edge, Opera and Firefox */
  width: 100vw;
  height: 100vh;
}

canvas{
margin: 0;
padding: 0;
}