<iframe src="https://www.youtube.com/embed/XXx_Hw34V-Q"></iframe>
iframe {
  width: 90vw;
  aspect-ratio: 9 / 6;
  
  
  
  
  
  /* Non-importants */
  display: block;  
  margin: 32px auto;
  border: 0;  
  box-shadow: 5px 5px 0px 0px #289FED, 10px 10px 0px 0px #5FB8FF, 15px 15px 0px 0px #A1D8FF, 20px 20px 0px 0px #CAE6FF, 25px 25px 0px 0px #E1EEFF, 5px 5px 15px 5px rgba(0,0,0,0);
}

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