* {
  font-family: Arial, Helvetica, sans-serif;
}

html, body {
  margin: 0;
  border: 0;
  padding: 0;
  background-color: transparent;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
}

#parentElement {
  height: 100vh;
  width: 100vw;
  overflow: hidden;
}

#video-PLAYER_ID-PLAYLIST_ID_html5_api {
  height: 100vh;
  width: 100vw;
  object-fit: fill;
  overflow: hidden;
}
/* 
main {
  margin: auto;
  width: 50%;
  padding: 20px;
}

main > h1 {
  text-align: center;
  font-size: 3.5em;
} */