html, body {
  height: 100%;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background: #000;
  }
  
  
  video.bg-video {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: bottom center;
  min-width: 100%;
  min-height: 100%;
  }
  
  
  /* tablet - mobile */
  @media (max-width: 1024px) {
  video.bg-video {
  object-fit: content;
  width: 100vw;
  }
  }
  
  
  @media (max-width: 768px) {
  video.bg-video {
  object-fit: content;
  width: 100vw;
  }
  }
  
  
  /* titular oculto a la vista pero activo en SEO */
  .sr-only {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 1px, 1px);
  white-space: nowrap;
  border: 0;
  }