.flexLoaderOverlay {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100vw;
    height: 100vh;
    overflow-y: auto;
    padding: 20px;
    background-color: rgba(0,0,0,0.9);
    color: #FFFFFF;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 9999;
    animation: flexLoaderOverlayAnimation 0.5s linear;
    animation-fill-mode: forwards;
}

@keyframes flexLoaderOverlayAnimation {
    0%   { opacity: 0;   }
    100% { opacity: 1; }
}

.flexLoaderSpinnerHolder {
    height: 70px;
    position: relative;
}

.flexLoaderSpinner {
    display: inline-block;
    width: 80px;
    height: 80px;
}

.flexLoaderSpinner:after {
    content: " ";
    display: block;
    width: 64px;
    height: 64px;
    margin: 8px;
    border-radius: 50%;
    border: 6px solid #fff;
    border-color: #fff transparent #fff transparent;
    animation: flexLoaderSpinnerAnimation 1.2s linear infinite;
}

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

.flexLoaderText {
    margin: 10px;
    text-align: center;
    font-size: 125%;
    margin-top: 30px;
}

.flexLoaderInsideOverlay {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.8);
    position: absolute;
    top: 0;
    left: 0;
}