.LockScreen {
    display: block;
    visibility: visible;
    position: absolute;
    z-index: 999;
    top: 0px;
    left: 0px;
    width: 105%;
    height: 105%;
    background-color: white;
    vertical-align: bottom;
    padding-top: 20%;
    filter: alpha(opacity=75);
    opacity: 0.75;
    font-size: large;
    color: blue;
    font-style: italic;
    font-weight: 400;
    /* background-image: url('../Images/Progress.gif');
    background-image: url('../Images/CubeRubik.gif');*/
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-position: center;
    background-image: url('CubeRubik.gif');
}


.loader {
    border: 8px solid #f3f3f3;
    border-radius: 50%;
    border-top: 8px solid #3498db;
    width: 30px;
    height: 30px;
    -webkit-animation: spin 2s linear infinite; /* Safari */
    animation: spin 2s linear infinite;
    position: absolute;
    z-index: 999;
    /*top: 66%;
    left: 60%;*/
    top: 62%;
    left: 60%;
}

/* Safari */
@-webkit-keyframes spin {
    0% {
        -webkit-transform: rotate(0deg);
    }

    100% {
        -webkit-transform: rotate(360deg);
    }
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}