body {
  background-color: transparent;
  overflow: hidden;
  margin: 0;
}

.bg {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 30%;
  height: 30%;
  z-index: 4;
  background-image: url(../img/heart.png);
  filter: grayscale(1) url("#wobble");
  -webkit-filter: grayscale(1) url("#wobble");
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  mix-blend-mode: color-burn;
}

.bg::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 0;
  transform: translate(-50%, -50%);
  width: 50%;
  height: 50%;
  background-image: url(../img/heart.png);
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  mix-blend-mode: color;
}

.frame {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 40%;
  height: 40%;
}

canvas {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
}

#paper {
  position: absolute;
  display: block;
  height: 100%;
  width: 100%;
  top: 0;
  left: 0;
  z-index: 2;
}

#poper {
  position: absolute;
  display: block;
  height: 100%;
  width: 100%;
  top: 0;
  left: 0;
  z-index: 3;
}