.ombra {
  text-shadow:   
  0px 1px 4px rgb(0,0,0,2); 
}
video {
  width: 100%; 
  max-width: 100vw; /
  max-height: 100vh; 
  object-fit: cover;
}  

:not(:root):fullscreen {
    object-fit: contain !important;
    user-select: text;
    position: fixed !important;
    box-sizing: border-box !important;
    min-width: 0px !important;
    max-width: none !important;
    min-height: 0px !important;
    max-height: none !important;
    width: 100% !important;
    height: 100% !important;
    transform: none !important;
    inset: 0px !important;
    margin: 0px !important;
}