.bb-scanner-wrap {
  max-width: 400px;
  margin: 20px auto;
  border: 1px solid #ccc;
  border-radius: 6px;
  padding: 10px;
  text-align: center;
}
#bb-scanner-video {
  width: 100%;
  background: #000;
  border-radius: 4px;
}
button {
  margin: 10px 5px;
  padding: 8px 15px;
  cursor: pointer;
}