body {
  margin: 0;
  padding: 0;
  
  font-family: sans;
}

.Scanner {
  width: 100%;
  height: 100%;
  aspect-ratio: 1;
  
  border-radius: 10px;
  overflow: hidden;
  
  position: relative;
}

.Scanner video {
  background-color: #AAA;
  
  object-fit: cover;
  
  width: 100%;
  height: 100%;
}