.loading-content {
    background-color: rgba(255, 255, 255, 0.2);
    position: fixed;
    height: 100%;
    min-height: 100%;
    width: 100%;
    top: 0px;
    z-index: 2147483647;
    -webkit-transition: all 5ms;
    -moz-transition: all 5ms;
    -ms-transition: all 5ms;
    -o-transition: all 5ms;
    transition: all 5ms;
}

.loading-body {
    margin: 0;
    position: absolute;
    top: 50%;
    left: 50%;
    margin-right: -50%;
    transform: translate(-50%, -50%)
}