.loader-wrapper {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 100;
  background-color: white;
  display:flex;
  justify-content: center;
  align-items: center;
}
.preloader {
    display: flex;
    animation: spin-1 8s linear infinite;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin: auto;
    width: 300px;
    height: 300px;
    color: #337AB7;
    
    
}
.preloader, 
.preloader-ring {
    transform-style: preserve-3d;
}
.preloader-ring {
    animation: spin-2 4s linear infinite;
    position: relative;
    height: 60px;
    width: 20px;
}
.preloader-ring:nth-child(even) {
    animation-direction: reverse;
}
.preloader-sector {
    font-size: 40px;
    line-height: 60px;
    font-family: Consolas, Lucida Console, Menlo, Monaco, monospace;  
    font-weight: 600;
    text-align: center;
    position: absolute;
    top: 0;
    left: 0;
    text-transform: uppercase;
    transform: translateZ(160px);
}
.preloader-sector, 
.preloader-sector:empty:before {
    display: inline-block;
    width: 100%;
    height: 100%;
}
.preloader-sector:empty:before {
    background: linear-gradient(transparent 50%, #BFE2FF 50% 55%, transparent 55%);
    content: "";
}
@keyframes spin-1 {
    from {
        transform: rotateY(0) rotateX(30deg);
    }
    to {
        transform: rotateY(1turn) rotateX(30deg);
    }
}
@keyframes spin-2 {
    from {
        transform: rotateY(0);
    }
    to {
        transform: rotateY(1turn);
    }
}