.layui-layer-loading .layui-layer-content {
    width: 50px;
    height: 50px;
    background: url(/index/layer/3.1.1/theme/default/loading-0.gif) no-repeat
}

.layui-layer-loading .layui-layer-loading1 {
    width: 50px;
    height: 50px;
    background: url(/index/layer/3.1.1/theme/default/loading-1.gif) no-repeat
}

.layui-layer-ico16,.layui-layer-loading .layui-layer-loading2 {
    width: 50px;
    height: 50px;
    background: url(/index/layer/3.1.1/theme/default/loading-2.gif) no-repeat
}