.fileUploadProgress {
    position: absolute;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.2);
    text-align: center;
}

.fileUploadProgress span {
    background-color: #FAFAFA;
    padding: 20px;
    -webkit-box-shadow: 1px 2px 5px 0px rgba(0, 0, 0, 0.75);
    -moz-box-shadow: 1px 2px 5px 0px rgba(0, 0, 0, 0.75);
    box-shadow: 1px 2px 5px 0px rgba(0, 0, 0, 0.75);
    border-radius: 2px;
    display: inline-block;
    vertical-align: middle;
    position: fixed;
    top: 50%;
    height: 20px;
    width: 350px;
    margin-top: -10px;
    margin-left: -175px;
    z-index: 10000;
    display: none;
}