.wrapper {
    width: 54px;
    height: 25px;
    position: absolute;
    top: 50%;
    left: 50%;
    margin-left: -27px;
    margin-top: -10px;
}

.waitingBars {
    position: relative;
}

    .waitingBars span {
        display: block;
        bottom: 0px;
        width: 9px;
        height: 5px;
        background: #9b59b6;
        position: absolute;
        -webkit-animation: preloader_1 1.5s infinite ease-in-out;
        -moz-animation: preloader_1 1.5s infinite ease-in-out;
        -ms-animation: preloader_1 1.5s infinite ease-in-out;
        -o-animation: preloader_1 1.5s infinite ease-in-out;
        animation: preloader_1 1.5s infinite ease-in-out;
    }

        .waitingBars span:nth-child(2) {
            left: 11px;
            -webkit-animation-delay: .2s;
            -moz-animation-delay: .2s;
            -ms-animation-delay: .2s;
            -o-animation-delay: .2s;
            animation-delay: .2s;
        }

        .waitingBars span:nth-child(3) {
            left: 22px;
            -webkit-animation-delay: .4s;
            -moz-animation-delay: .4s;
            -ms-animation-delay: .4s;
            -o-animation-delay: .4s;
            animation-delay: .4s;
        }

        .waitingBars span:nth-child(4) {
            left: 33px;
            -webkit-animation-delay: .6s;
            -moz-animation-delay: .6s;
            -ms-animation-delay: .6s;
            -o-animation-delay: .6s;
            animation-delay: .6s;
        }

        .waitingBars span:nth-child(5) {
            left: 44px;
            -webkit-animation-delay: .8s;
            -moz-animation-delay: .8s;
            -ms-animation-delay: .8s;
            -o-animation-delay: .8s;
            animation-delay: .8s;
        }

@-webkit-keyframes preloader_1 {
    0% {
        height: 5px;
        -webkit-transform: translateY(0px);
        background: #9b59b6;
    }

    25% {
        height: 30px;
        -webkit-transform: translateY(15px);
        background: #3498db;
    }

    50% {
        height: 5px;
        -webkit-transform: translateY(0px);
        background: #9b59b6;
    }

    100% {
        height: 5px;
        -webkit-transform: translateY(0px);
        background: #9b59b6;
    }
}

@-moz-keyframes preloader_1 {
    0% {
        height: 5px;
        -moz-transform: translateY(0px);
        background: #9b59b6;
    }

    25% {
        height: 30px;
        -moz-transform: translateY(15px);
        background: #3498db;
    }

    50% {
        height: 5px;
        -moz-transform: translateY(0px);
        background: #9b59b6;
    }

    100% {
        height: 5px;
        -moz-transform: translateY(0px);
        background: #9b59b6;
    }
}

@-ms-keyframes preloader_1 {
    0% {
        height: 5px;
        -ms-transform: translateY(0px);
        background: #9b59b6;
    }

    25% {
        height: 30px;
        -ms-transform: translateY(15px);
        background: #3498db;
    }

    50% {
        height: 5px;
        -ms-transform: translateY(0px);
        background: #9b59b6;
    }

    100% {
        height: 5px;
        -ms-transform: translateY(0px);
        background: #9b59b6;
    }
}

@keyframes preloader_1 {
    0% {
        height: 5px;
        transform: translateY(0px);
        background: #9b59b6;
    }

    25% {
        height: 30px;
        transform: translateY(15px);
        background: #3498db;
    }

    50% {
        height: 5px;
        transform: translateY(0px);
        background: #9b59b6;
    }

    100% {
        height: 5px;
        transform: translateY(0px);
        background: #9b59b6;
    }
}