body
{
    text-align: center;
    margin: 0;
    overflow-y: hidden;
    overflow-x: hidden;
    height:100%;
    background-color: #545155;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

canvas{
   
    width: 100%;
    height: 100%;
   
  }
  html, body {
    height:100%;
  }
  
  .container {
    width: 100%;
  height: 100%;
  margin: 0;
  outline: solid 1px black;
  display: flex;
  justify-content: center;
  align-items: center;
  }