#page-preloader {
    position: fixed;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    background:  rgba(0,0,0,.5);
    z-index: 100500;
}

    #page-preloader .spinner {
        display: block;
        position: absolute;
        left: 50%;
        top: 50%;
        width: 100px;
        height: 100px;
        margin-top: -50px;
        margin-left: -50px;
        border: 3px solid transparent;
        border-top-color: #288cf0;
        border-radius: 50%;
        z-index: 1001;
        -webkit-animation: spin 2.5s infinite linear;
        animation: spin 2.5s infinite linear;
    }

        #page-preloader .spinner:before, #page-preloader .spinner:after {
            content: '';
            position: absolute;
            border-radius: 50%;
        }

        #page-preloader .spinner:before {
            top: 5px;
            left: 5px;
            right: 5px;
            bottom: 5px;
            border: 3px solid transparent;
            border-top-color: #2a9fed;
            -webkit-animation: spin 2s infinite linear;
            animation: spin 2s infinite linear;
        }

        #page-preloader .spinner:after {
            top: 15px;
            left: 15px;
            right: 15px;
            bottom: 15px;
            border: 3px solid transparent;
            border-top-color: #fac01e;
            -webkit-animation: spin 1s infinite linear;
            animation: spin 1s infinite linear;
        }

@-webkit-keyframes spin {
    0% {
        -webkit-transform: rotate(0);
        transform: rotate(0);
    }

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

@keyframes spin {
    0% {
        -webkit-transform: rotate(0);
        transform: rotate(0);
    }

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