.dropload-up, .dropload-down
{
    position: relative;
    height: 0;
    overflow: hidden;
    font-size: 12px;
    /* 开启硬件加速 */
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
}

.dropload-down
{
    height: 50px;
    float:left;
    width:100%;
    padding:0;
    margin:0
}

.dropload-refresh, .dropload-update, .dropload-load, .dropload-noData
{
    height: 50px;
    line-height: 50px;
    text-align: center;
}

    .dropload-load .loading
    {
        display: inline-block;
        height: 15px;
        width: 15px;
        border-radius: 100%;
        margin: 6px;
        border: 2px solid #666;
        border-bottom-color: transparent;
        vertical-align: middle;
        -webkit-animation: rotate 0.75s linear infinite;
        animation: rotate 0.75s linear infinite;
    }

@-webkit-keyframes rotate
{
    0%
    {
        -webkit-transform: rotate(0deg);
    }

    50%
    {
        -webkit-transform: rotate(180deg);
    }

    100%
    {
        -webkit-transform: rotate(360deg);
    }
}

@keyframes rotate
{
    0%
    {
        transform: rotate(0deg);
    }

    50%
    {
        transform: rotate(180deg);
    }

    100%
    {
        transform: rotate(360deg);
    }
}