.message {
    text-align: center;
    font-size: 20px;
    color: #666;
}

.loader {
    color: #888;
    margin: 40px auto;
    width: 50px;
    height: 40px;
    text-align: center;
    font-size: 10px;
}

    .loader > div {
        background-color: #888;
        height: 100%;
        width: 6px;
        display: inline-block;
        margin-right: 3px;
        animation: stretchdelay 1.2s infinite ease-in-out;
    }

    .loader .rect2 {
        animation-delay: -1.1s;
    }

    .loader .rect3 {
        animation-delay: -1.0s;
    }

    .loader .rect4 {
        animation-delay: -0.9s;
    }

    .loader .rect5 {
        animation-delay: -0.8s;
    }

@keyframes stretchdelay {
    0%, 40%, 100% {
        transform: scaleY(0.4)
    }

    20% {
        transform: scaleY(1.0)
    }
}