.sp
{
    width: 32px;
    height: 32px;
    clear: both;
    margin: 20px auto;
}

/* Spinner 3Balls Scale */
.sp-3balls, .sp-3balls:before, .sp-3balls:after
{
    border-radius: 50%;
    background-color: #000;
    width: 18px;
    height: 18px;
    transform-origin: center center;
    display: inline-block;
}

.sp-3balls
{
    position: relative;
    background-color: black;
    opacity: 1;
    -webkit-animation: spScaleAlpha 1s infinite linear;
    animation: spScaleAlpha 1s infinite linear;
}

    .sp-3balls:before, .sp-3balls:after
    {
        content: "";
        position: relative;
        opacity: 0.25;
    }

    .sp-3balls:before
    {
        left: 30px;
        top: 0px;
        -webkit-animation: spScaleAlphaBefore 1s infinite linear;
        animation: spScaleAlphaBefore 1s infinite linear;
    }

    .sp-3balls:after
    {
        left: -30px;
        top: -23px;
        -webkit-animation: spScaleAlphaAfter 1s infinite linear;
        animation: spScaleAlphaAfter 1s infinite linear;
    }

@-webkit-keyframes spScaleAlpha
{
    0%
    {
        opacity: 1;
    }

    33%
    {
        opacity: 0.25;
    }

    66%
    {
        opacity: 0.25;
    }

    100%
    {
        opacity: 1;
    }
}

@keyframes spScaleAlpha
{
    0%
    {
        opacity: 1;
    }

    33%
    {
        opacity: 0.25;
    }

    66%
    {
        opacity: 0.25;
    }

    100%
    {
        opacity: 1;
    }
}

@-webkit-keyframes spScaleAlphaBefore
{
    0%
    {
        opacity: 0.25;
    }

    33%
    {
        opacity: 1;
    }

    66%
    {
        opacity: 0.25;
    }
}

@keyframes spScaleAlphaBefore
{
    0%
    {
        opacity: 0.25;
    }

    33%
    {
        opacity: 1;
    }

    66%
    {
        opacity: 0.25;
    }
}

@-webkit-keyframes spScaleAlphaAfter
{
    33%
    {
        opacity: 0.25;
    }

    66%
    {
        opacity: 1;
    }

    100%
    {
        opacity: 0.25;
    }
}

@keyframes spScaleAlphaAfter
{
    33%
    {
        opacity: 0.25;
    }

    66%
    {
        opacity: 1;
    }

    100%
    {
        opacity: 0.25;
    }
}