.first-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  background-color: #F6F8F9;
}

.first-loading h1 {
  font-weight: lighter;
}

.first-loading > .first-loading__body  {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  border: 3px solid transparent;
  border-top-color: #409EFF;
  /* COLOR 1 */
  -webkit-animation: spin 2s linear infinite; /* Chrome, Opera 15+, Safari 5+ */
  -ms-animation: spin 2s linear infinite; /* Chrome, Opera 15+, Safari 5+ */
  -moz-animation: spin 2s linear infinite; /* Chrome, Opera 15+, Safari 5+ */ 
  -o-animation: spin 2s linear infinite; /* Chrome, Opera 15+, Safari 5+ */   
  animation: spin 2s linear infinite; /* Chrome, Firefox 16+, IE 10+, Opera */
}

.first-loading > .first-loading__body ::before {
  content: "";
  position: absolute;
  top: 5px;
  left: 5px;
  right: 5px;
  bottom: 5px;
  border-radius: 50%;
  border: 3px solid transparent;
  border-top-color: #409EFF;
  /* COLOR 2 */
  -webkit-animation: spin 3s linear infinite; /* Chrome, Opera 15+, Safari 5+ */
  -moz-animation: spin 3s linear infinite; /* Chrome, Opera 15+, Safari 5+ */
  -o-animation: spin 3s linear infinite; /* Chrome, Opera 15+, Safari 5+ */
  -ms-animation: spin 3s linear infinite; /* Chrome, Opera 15+, Safari 5+ */  
  animation: spin 3s linear infinite;
}

.first-loading > .first-loading__body ::after {
  content: "";
  position: absolute;
  top: 15px;
  left: 15px;
  right: 15px;
  bottom: 15px;
  border-radius: 50%;
  border: 3px solid transparent;
  border-top-color: #409EFF;
  /* COLOR 3 */       
  -moz-animation: spin 1.5s linear infinite; /* Chrome, Opera 15+, Safari 5+ */
  -o-animation: spin 1.5s linear infinite; /* Chrome, Opera 15+, Safari 5+ */
  -ms-animation: spin 1.5s linear infinite; /* Chrome, Opera 15+, Safari 5+ */        
  -webkit-animation: spin 1.5s linear infinite; /* Chrome, Opera 15+, Safari 5+ */
  animation: spin 1.5s linear infinite;
}

@keyframes spin {
  0% {
    -webkit-transform: rotate(0deg);  /* Chrome, Opera 15+, Safari 3.1+ */
    -ms-transform: rotate(0deg);  /* IE 9 */
    transform: rotate(0deg);
  }
  100% {
    -webkit-transform: rotate(360deg);  /* Chrome, Opera 15+, Safari 3.1+ */
    -ms-transform: rotate(360deg);  /* IE 9 */
    transform: rotate(360deg);
  }
}