html,
body {
  height: 100%;
  width: 100%;
  background: linear-gradient(
    90deg,
    rgba(195, 20, 50, 1) 0%,
    rgba(36, 11, 54, 1) 100%
  );
}
.loading {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0;
  position: absolute;
  top: 50%;
  left: 50%;
  -ms-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
}

.loader {
  border: 16px solid #f3f3f3;
  border-radius: 50%;
  border-top: 16px solid #ff9800;
  border-right: 16px solid #ff6600;
  border-bottom: 16px solid #fa8e02;
  border-left: 16px solid #ff7300;
  width: 200px;
  height: 200px;
  -webkit-animation: spin 2s linear infinite;
  animation: spin 2s linear infinite;
}

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

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

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

  100% {
    transform: rotate(360deg);
  }
}
.center {
  margin: 0;
  position: absolute;
  top: 50%;
  left: 50%;
  margin-right: -50%;
  width: 220px;
  height: 220px;
  transform: translate(-50%, -50%);
}