#loading-bg {
  width: 100%;
  height: 100%;
  background: #FFF;
  display: block;
  position: fixed;   /* fixed so it always covers viewport regardless of body height */
  top: 0;
  left: 0;
  z-index: 99999;    /* always on top while visible */
}
.loading-logo {
  position: absolute;
  left: calc(50% - 45px);
  top: 40%;
}
.loading {
  position: absolute;
  left: calc(50% - 35px);
  top: 50%;
  width: 55px;
  height: 55px;
  border-radius: 50%;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  border: 3px solid transparent;
}
.loading .effect-1, .loading .effect-2 {
  position: absolute;
  width: 100%;
  height: 100%;
  border: 3px solid transparent;
  border-left: 3px solid rgba(121, 97, 249,1);
  border-radius: 50%;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}
.loading .effect-1 {
  animation: rotate 1s ease infinite;
}
.loading .effect-2 {
  animation: rotateOpacity 1s ease infinite .1s;
}
.loading .effect-3 {
  position: absolute;
  width: 100%;
  height: 100%;
  border: 3px solid transparent;
  border-left: 3px solid rgba(121, 97, 249,1);
  -webkit-animation: rotateOpacity 1s ease infinite .2s;
  animation: rotateOpacity 1s ease infinite .2s;
  border-radius: 50%;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}
.loading .effects {
  transition: all .3s ease;
}
@keyframes rotate {
  0%   { transform: rotate(0deg); }
  100% { transform: rotate(1turn); }
}
@keyframes rotateOpacity {
  0%   { transform: rotate(0deg); opacity: .1; }
  100% { transform: rotate(1turn); opacity: 1; }
}