._loading {
    z-index: 10000;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #FFF;
    overflow-x: hidden;
    overflow-y: auto;
    outline: 0;
    text-align: center;
    display: none;
    opacity: 0.7;
}

._loading_content {
    position: absolute;
    top: 50%;
    left: 50%;
}
