.block-loader {
    position: fixed;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    z-index: 999999;
    background: rgba(0, 0, 0, 0.4);
}

.block-loader-absolute-position {
    position: absolute;
}

.cssload-speeding-wheel {
    width: 48px;
    height: 48px;
    border: 3px solid #fff;
    border-radius: 50%;
    border-left-color: transparent;
    border-right-color: transparent;
    animation: cssload-spin 575ms infinite linear;
    -ms-animation: cssload-spin 575ms infinite linear;
    -webkit-animation: cssload-spin 575ms infinite linear;
    -moz-animation: cssload-spin 575ms infinite linear;
}

@keyframes cssload-spin {
    100% {
        -webkit-transform: rotate(360deg);
        -moz-transform: rotate(360deg);
        -o-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}

@-webkit-keyframes cssload-spin {
    100% {
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}

@-moz-keyframes cssload-spin {
    100% {
        -moz-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}