main {
  background: white;
  height: 100vh;
  margin: 0 auto;
  padding: 1rem;
}

.fitVids-wrapper {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
}
.fitVids-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}