#linksubmit {
  display: none;
  margin: 10px;
}

#loading,
#player {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 2;
  background: white;
  text-align: center;

  width: 100%;
  height: 100vh;

  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.loader {
  border: 16px solid #f3f3f3; /* Light grey */
  border-top: 16px solid #3498db; /* Blue */
  border-radius: 50%;
  width: 120px;
  height: 120px;
  animation: spin 2s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}