.popup, #mainpopup {
    position: fixed;
    left: 0%;
    top: 100%;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    flex-direction: column;
    background: rgba(0,0,0,.8);
    overflow: hidden;
    text-overflow: hidden;
    text-align: center;
    z-index: 20000;
    transition: all .5s;
    opacity: 0;
}

.popup.show, #mainpopup.show {
    top: 0%!important;
    height: 100%;
    width: 100%;
    opacity: 1;
}

.filter-white {
    filter: contrast(10%) brightness(200%);
}

.h100 {
    height: 100%;
}

.popup .close, #mainpopup .close {
    position: absolute;
    width: 50px;
    height: 50px;
    right: 15px;
    top: 10px;
    background: uri('../olasoft/icons/') center center no-repeat;
    background-size: 32px 32px;
}

.os-remove{
    position: absolute;
    top: 2%;
    right: 4%;
    color: white;
    font-size: xx-large;
}

.alert {
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 2px;
    border-width: 0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.18);
}