.loader-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    background: #fff;
    opacity: 0;
    z-index: -1;
    transition: opacity .3s;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 6px;
  }
  
  .loader-wrapper .loader {
  height: 80px;
  width: 80px;
  }
  
  .loader-wrapper.is-active {
  opacity: 0.8;
  z-index: 1;
  }
  
  .loader.is-loading {
    position: relative;
  }

.spinner-wrapper {
    position: fixed;
    left: 0;
    top: 0;
    height: 100%;
    width: 100%;
    background-color: grey;
    opacity: 0.8;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 999999;
}

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

.spinning-circle {
  border: 1em solid #ccc;
  border-left-color: #fff;
  border-radius: 50%;
  height: 4em;
  width: 4em;
  animation: spin 1s linear infinite;
}