video {
  width: 100%;
  height: auto;
  border-style: none;
}

body {
  background-color: #333;
}

:where(audio, canvas, iframe, img, svg, video) {
  vertical-align: middle;
}

h1,
h2,
h3,
h4,
h5 {
  color: white;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  margin-left: 1rem;
}

h4 {
  margin-top: 2rem;
  margin-bottom: 0;
}

h5 {
  font-weight: 300;
  margin-top: 0.5rem;
}