html, body {
    height: 100%;
    padding: 0;
    margin: 0;
    background: #000;
    display: flex;
    justify-content: center;
    align-items: center;
      overflow: hidden;
   
  }
   
  .box {
    width: 100%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
  }
   
  canvas {
    position: absolute;
    width: 100%;
    height: 100%;
  }
  #pinkboard {
    position: relative;
    margin: auto;
    height: 500px;
    width: 100%;
    animation: animate 1.3s infinite;
  }
   
  #pinkboard:before, #pinkboard:after {
    content: '';
    position: absolute;
    background: #FF5CA4;
    width: 100px;
    height: 160px;
    border-top-left-radius: 50px;
    border-top-right-radius: 50px;
  }
   
  #pinkboard:before {
    left: 100px;
    transform: rotate(-45deg);
    transform-origin: 0 100%;
    box-shadow: 0 14px 28px rgba(0,0,0,0.25),
                0 10px 10px rgba(0,0,0,0.22);
  }
   
  #pinkboard:after {
    left: 0;
    transform: rotate(45deg);
    transform-origin: 100% 100%;
  }
   
  @keyframes animate {
    0% {
      transform: scale(1);
    }
    30% {
      transform: scale(.8);
    }
    60% {
      transform: scale(1.2);
    }
    100% {
      transform: scale(1);
    }
  }