#overlay {
  z-index: 999;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(230, 240, 249);
  display: flex;
  justify-content: center;
  align-items: center;
}
[data-theme="dark"] #overlay {
    background: rgba(22, 22, 22, .9);
}

#progress {
  display: block;
  width: 100px;
  height: 100px;
  border: 10px solid #fff;
  border-top-color: #007bff;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.logo {
  position: absolute;
  width: 17%;
  top: 47.6%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
}

#progress-bar {
  position: absolute;
  top: 62%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
}

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

  100% {
    transform: rotate(360deg);
  }
}