.loader-container {
        background-color: rgb(0, 0, 0, 0.7 );
      }
    /* HTML: <div class="loader"></div> */
.loader {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  border: 5px solid transparent;
  border-top-color: #fff;
  border-right-color: #fff;
  animation: tab-spin 1.2s infinite ease-in-out;
}

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

  /* 45% {
    transform: rotate(180deg);
  } */

  /* small pause */
  55% {
    transform: rotate(180deg);
  }

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