body{
    margin: 0;
    padding: 0;
    overflow: hidden;
    color: #6997DB;
    background-position: center;
    background-repeat: repeat;
    background-image: url('./bg.jpg');
    background-size: cover;
    -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 */
  }
  *,*:before,*:after {
    box-sizing: border-box
  }

canvas{
margin: 0;
padding: 0;
}