.cslder {
    display: block;
    text-align: center;
    height: 20px;
    position: relative;
    display: none;
    clear: both
 }
 
 .cslder .cswrap {
    position: absolute;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%,-50%);
    transform: translate(-50%,-50%)
 }
 
 .csdot {
    width: 5px;
    height: 5px;
    border: 1px solid #00a850;
    background: #00a850;
    border-radius: 50%;
    float: left;
    margin: 0 2px;
    -webkit-transform: scale(0);
    transform: scale(0);
    -webkit-animation: fx 1000ms ease infinite 0ms;
    animation: fx 1000ms ease infinite 0ms
 }
 
 .csdot:nth-child(2) {
    -webkit-animation: fx 1000ms ease infinite 300ms;
    animation: fx 1000ms ease infinite 300ms
 }
 
 .csdot:nth-child(3) {
    -webkit-animation: fx 1000ms ease infinite 600ms;
    animation: fx 1000ms ease infinite 600ms
 }
 
 .csslder {
    display: block;
    text-align: center;
    height: 20px;
    position: relative;
    clear: both
 }
 
 .csslder .csswrap {
    position: absolute;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%,-50%);
    transform: translate(-50%,-50%)
 }
 
 .cssdot {
    width: 10px;
    height: 10px;
    border: 1px solid #00a850;
    background: #00a850;
    border-radius: 50%;
    float: left;
    margin: 0 5px;
    -webkit-transform: scale(0);
    transform: scale(0);
    -webkit-animation: fx 1000ms ease infinite 0ms;
    animation: fx 1000ms ease infinite 0ms
 }
 
 .cssdot:nth-child(2) {
    -webkit-animation: fx 1000ms ease infinite 300ms;
    animation: fx 1000ms ease infinite 300ms
 }
 
 .cssdot:nth-child(3) {
    -webkit-animation: fx 1000ms ease infinite 600ms;
    animation: fx 1000ms ease infinite 600ms
 }
 .loadingcover {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255,255,255,.75);
    z-index: 100;
 }
 
 .loadingcover .csslder {
    top: 50%
 }
 
 @-webkit-keyframes fx {
    50% {
        -webkit-transform: scale(1);
        transform: scale(1);
        opacity: 1
    }
 
    100% {
        opacity: 0
    }
 }
 
 @keyframes fx {
    50% {
        -webkit-transform: scale(1);
        transform: scale(1);
        opacity: 1
    }
 
    100% {
        opacity: 0
    }
 }
.fr-error{
    color: red;
}