.waiting_div_center {
    position: absolute;
    height: 160px;
    width: 240px;
    padding: 25px;
    border-radius: 20px;
    border-style: solid;
    border-width: 1px;
    top: calc(50% - 100px/2); /* height divided by 2*/
    left: calc(50% - 100px/2); /* width divided by 2*/
    background-color: lightblue;
}

.progress_div {
    position: absolute;
    height: 200px;
    width: 350px;
    padding: 25px;
    border-radius: 5px;
    border-style: solid;
    border-width: 1px;
    top: 150px;
    left: 650px;
    background-color: powderblue;
}

.ico-pdf {
    background-image: url(images/pdficon.png);
    background-position: 93.04812834224599% 65.41353383458647%;
    width: 25px;
    height: 29px;
    display: inline-block;
    vertical-align: middle;
    font-size: 0;
}