.loading {
            width: 100%;
            height: 100%;
            position: fixed;
            top: 0;
            left: 0;
            z-index: 100;
            background: #FFFFFF;
        }
 
        .loading .pic {
            width: 100px;
            height: 100px;
            /* background: url(images/loading.gif); */
            position: absolute;
            top: 0;
            bottom: 0;
            left: 0;
            right: 0;
            margin: auto;
            /* border: 1px solid red; */
            font-size: 30px;
            text-align: center;
            line-height: 100px;
        }
 
        .loading .pic span{
            display: block;
            width: 80px;
            height: 80px;
            position: absolute;
            top:10px;
            left: 10px;
            border-radius: 50%;
            box-shadow: 0 3px 0 #6600CC;
            animation: rotate 1s infinite linear;
        }
        @keyframes rotate{
            0%{transform: rotate(0deg);}
            100%{transform: rotate(360deg);}
        }