* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 20px;
  line-height: 1.44;
  min-height: 100%;
}

#nav {
  display: flex;
  justify-content: space-between;
  margin: 1.44rem;
}

.examples {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1.44rem;
  place-items: center;
  margin: 0 auto;
}

video {
  display:block;
  margin: 0 auto;
  width: auto;
  height: 600px;
}

p {
  margin-top: 1rem;
  width: 500px;
}