.bar {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  background: white !important;
  height: 100% !important;
  width: 100% !important;
  display: flex !important;
  justify-content: center !important;
  align-items: center !important;
  z-index: 99999 !important;
}

.disspear {
  animation: vanish 1s forwards;
}

@keyframes vanish {
  100% {
    opacity: 0;
    visibility: hidden;
  }
}

.loader {
  --clr: #3498db;
  width: 50px;
  height: 50px;
  position: relative;
  z-index: 999999 !important;
}

.loader:before, .loader:after {
  content: "";
  position: absolute;
  top: -10px;
  left: -10px;
  width: 100%;
  height: 100%;
  border-radius: 100%;
  border: 10px solid transparent;
  border-top-color: var(--clr);
}

.loader:before {
  z-index: 100;
  animation: spin 1s infinite;
}

.loader:after {
  border: 10px solid #ccc;
}

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