.dark #preloader {
    background-color: #222;
}

#preloader {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #f9f9f9;
    z-index: 999999;
}

.preloader {
    width: 50px;
    height: 50px;
    display: inline-block;
    padding: 0px;
    text-align: left;
    box-sizing: border-box;
    position: absolute;
    top: 50%;
    left: 50%;
    margin-left: -25px;
    margin-top: -25px;
}

    .preloader span {
        position: absolute;
        display: inline-block;
        width: 50px;
        height: 50px;
        border-radius: 100%;
        background: #AA0000;
        -webkit-animation: preloader 1.3s linear infinite;
        animation: preloader 1.3s linear infinite;
    }

        .preloader span:last-child {
            animation-delay: -0.8s;
            -webkit-animation-delay: -0.8s;
        }

@keyframes preloader {
    0% {
        transform: scale(0, 0);
        opacity: 0.5;
    }

    100% {
        transform: scale(1, 1);
        opacity: 0;
    }
}

@-webkit-keyframes preloader {
    0% {
        -webkit-transform: scale(0, 0);
        opacity: 0.5;
    }

    100% {
        -webkit-transform: scale(1, 1);
        opacity: 0;
    }
}