body {
    display: none;
}

/* Loader */
html:before {
     -webkit-animation: loading-rotate .8s infinite linear;
     animation: loading-rotate .8s infinite linear;
     background: transparent;
     border: 6px solid #999;
     border-top: 6px solid transparent;
     border-bottom: 6px solid transparent;
     border-radius: 100%;
     content: '';
     height: 50px;
     left: 50%;
     margin-top: -25px;
     margin-left: -25px;
     position: absolute;
     top: 40vh;
     width: 50px;
     z-index: 99999;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

@-webkit-keyframes loading-rotate {
    from {
        -webkit-transform: rotate(0deg);
        transform: rotate(0deg);
    }
    to {
        -webkit-transform: rotate(359deg);
        transform: rotate(359deg);
    }
}

@keyframes loading-rotate {
    from {
        -webkit-transform: rotate(0deg);
        transform: rotate(0deg);
    }
    to {
        -webkit-transform: rotate(359deg);
        transform: rotate(359deg);
    }
}