.is-hide {
  display: none;
}

.loading {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 100;
}
.loading::before {
  content: "";
  display: block;
  position: fixed;
  left: 50%;
  top: 50%;
  width: 50px;
  height: 50px;
  border-radius: 5px;
  margin-top: -15px;
  margin-left: -15px;
}
.loading::after {
  content: "";
  display: block;
  position: fixed;
  left: 50%;
  top: 50%;
  width: 32px;
  height: 32px;
  border-radius: 20px;
  margin-top: -10px;
  margin-left: -10px;
  border: 4px solid #e8340c;
  border-right: 4px solid white;
  animation: rotate 1s infinite linear;
}

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