.c-loader {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.7);
  justify-content: center;
  align-items: center;
  z-index: 1001;
  display: none;
}
.c-loader.active {
  display: flex;
}
.c-loader span {
  width: 60px;
  height: 60px;
  border: 6px solid #ebebeb;
  border-top-color: #223039;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  position: absolute;
  top: 300px;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}