Responsive YouTube embed code

<style> .embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; border:1.2px solid #fff; box-shadow:0 8px 16px 0 rgba(0,0,0,0.2),0 6px 20px 0 rgba(0,0,0,0.19) } .embed-container iframe{ position: absolute; top: 0; left: 0; width: 100%; height: 100%; } </style> <div class="embed-container"> <iframe src="#" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>