/* body, html{
    background-color: lightcyan;
    width: 100%;
    height: 100%;
    overflow: hidden;
  }
  
  canvas {
    display: block;
    margin: auto;
    position :absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    
    image-rendering: optimizeSpeed;
    image-rendering: -moz-crisp-edges;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: optimize-contrast
  } */

 body, html{
    background-color: #f1f1f1;
    font-family: Impact, Haettenschweiler, 'Arial Narrow Bold', sans-serif;
  }

  button{
    margin:8px;
  cursor: pointer;
  outline: 0;
  display: inline-block;
  font-weight: 400;
  line-height: 1.5;
  text-align: center;
  background-color: transparent;
  border: 1px solid transparent;
  padding: 4px 8px;
  font-size: 1rem;
  border-radius: .25rem;
  transition: color .15s ease-in-out,background-color .15s ease-in-out,border-color .15s ease-in-out,box-shadow .15s ease-in-out;
  color: #0d6efd;
  border-color: #0d6efd;}

  button:hover {
      color: #fff;
      background-color: #0d6efd;
      border-color: #0d6efd;
  
  }