#pop_up_pozadi {
    position: fixed;
    left:0px;
    top:0px;
    width: 100%;
    height: 100%;
    z-index : 50;
    display: none;
    top: 0 !important;

    background: transparent url('../images/black70p.png') repeat scroll 0% 0%;
}

.pop_up_popredi {
    padding: 20px;
    background: white none repeat scroll 0% 0%;
    /*height: 250px;*/
    top: 10%;
    position: relative;
    width: 450px;
    margin: 0 auto;
    display: none;
}