#overlay {
    background: #fff;
    width: 100%;
    position: fixed;
    z-index: 9999;
    height: 100%;
    display: block;
}

#overlay .spinner {
    margin: 100px auto 0;
    width: 70px;
    text-align: center;
}

#overlay .spinner > div {
    width: 18px;
    height: 18px;
    background-color: #cd0000;
    border-radius: 100%;
    display: inline-block;
    -webkit-animation: bouncedelay 1.4s infinite ease-in-out;
    animation: bouncedelay 1.4s infinite ease-in-out;
    /* Prevent first frame from flickering when animation starts */
    -webkit-animation-fill-mode: both;
    animation-fill-mode: both;
}

#overlay .spinner .bounce1 {
    -webkit-animation-delay: -0.32s;
    animation-delay: -0.32s;
}

#overlay .spinner .bounce2 {
    -webkit-animation-delay: -0.16s;
    animation-delay: -0.16s;
}

@-webkit-keyframes bouncedelay {
    0%, 80%, 100% { -webkit-transform: scale(0); }
    40% { -webkit-transform: scale(1); }
}

@keyframes bouncedelay {
    0%, 80%, 100% {
        transform: scale(0);
        -webkit-transform: scale(0);
    }
    40% {
        transform: scale(1);
        -webkit-transform: scale(1);
    }
}