#widget_progress_bar{
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.75);
    z-index: 99;
    align-items: center;
    display: none;
    justify-content: center;
}
#widget_progress_bar canvas{
    width: 350px;
    height: 150px;
}