html
{
        height:100%;
}
.nopadding
{
    padding: 0% !important;
}
.textClass{
  color: #000;
  font-size: 3vw;
  text-align: center;
}
 html, body {
    height: 100%;
  } 
  
   body {
    display: flex;
    justify-content: center;
    align-items: center;
  }
  
  canvas {
    border: 1px solid black;
  }