body, html {
  margin: 0;
  padding: 0;
}

.impact-section {
  background: url('bgg.jpg') no-repeat center center/cover;
  min-height: 10vh;
  text-shadow: 1px 1px 2px #000;
}

canvas {
  max-height: 250px;
  margin: auto;
  display: block;
}