body {
    margin: 0
}

.loader {
    position: absolute;
    top: 50%;
    left: 40%;
    margin-left: 10%;
    transform: translate3d(-50%,-50%,0)
}

.dot {
    width: 24px;
    height: 24px;
    background: #3ac;
    border-radius: 100%;
    display: inline-block;
    animation: slide 1s infinite
}

    .dot:nth-child(1) {
        animation-delay: .1s;
        background: #32aacc
    }

    .dot:nth-child(2) {
        animation-delay: .2s;
        background: #64aacc
    }

    .dot:nth-child(3) {
        animation-delay: .3s;
        background: #96aacc
    }

    .dot:nth-child(4) {
        animation-delay: .4s;
        background: #c8aacc
    }

    .dot:nth-child(5) {
        animation-delay: .5s;
        background: #faaacc
    }

@-moz-keyframes slide {
    0% {
        transform: scale(1)
    }

    50% {
        opacity: .3;
        transform: scale(2)
    }

    100% {
        transform: scale(1)
    }
}

@-webkit-keyframes slide {
    0% {
        transform: scale(1)
    }

    50% {
        opacity: .3;
        transform: scale(2)
    }

    100% {
        transform: scale(1)
    }
}

@-o-keyframes slide {
    0% {
        transform: scale(1);
    }

    50% {
        opacity: .3;
        transform: scale(2);
    }

    100% {
        transform: scale(1);
    }
}

@keyframes slide {
    0% {
        transform: scale(1)
    }

    50% {
        opacity: .3;
        transform: scale(2)
    }

    100% {
        transform: scale(1)
    }
}