#contentPreloader{
    width: 100%;
    height: 100vh;
    display: none;
    z-index: 9999999;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    position: fixed;
    justify-content: center;
    align-items: center;
    vertical-align: middle;
    background: rgba(61, 61, 61, 0.81);
}


.loader {
    width: 150px;
    height: 150px;
    border: 2px solid #eae4ea;
    box-shadow: 0 -2px 2px rgba(0,0,0,.2);
    border-bottom: 2px solid #6ddfca;
    border-radius: 50%;
    animation: loader 3s linear infinite;
}

.loader:before {
    content: '';
    position: absolute;
    top: 10px;
    left: 10px;
    bottom: 10px;
    right: 10px;
    border: 2px solid #eae4ea;
    box-shadow: 0 -2px 2px rgba(0,0,0,.2);
    border-bottom: 2px solid #d355be;
    border-radius: 50%;
    animation: loader 2s linear infinite;
}

.loader:after {
    content: '';
    position: absolute;
    top: 22px;
    left: 22px;
    bottom: 22px;
    right: 22px;
    border: 2px solid #eae4ea;
    box-shadow: 0 -2px 2px rgba(0,0,0,.2);
    border-bottom: 2px solid #8c23ec;
    border-radius: 50%;
    animation: loader 1s linear infinite;
}

@keyframes loader{

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

}