.popup-kulcard-bg {
    /*position: absolute;*/
    /*top: 0;*/
    /*right: 0;*/
    /*bottom: 0;*/
    /*left: 0;*/
    /*background: rgba(0,0,0,.7);*/
    /*z-index: 0;*/
    background: rgba(0, 0, 0, 0.7);
    position: fixed;
    width: 100%;
    height: 100%;
    z-index: 99;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    /*display: none;*/
}


.popup-kulcard {
    width: 516px;
    height: 380px;
    max-width: 100%;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 99;
    /*display: none;*/
}
 .popup-kulcard img {
    max-width: 100%;
}

.popup-kulcard-btn {
    display: block;
    position: absolute;
    left: 50%;
    bottom: 13%;
    line-height: 0.6;
    transform: translateX(-50%);
    transition: all 0.2s;
    animation: bright 1.2s infinite;
}
.popup-kulcard-btn:hover {
    filter: brightness(150%);
}

.popup-kulcard-close {
    display: block;
    position: absolute;
    right: 10%;
    top: 3%;
    line-height: 0.6;
}
.popup-kulcard-close:hover {
    filter: brightness(150%);
}

@-webkit-keyframes bright {
    0%,100% { filter: brightness(100%); }
    50% { filter: brightness(150%); }
}

@keyframes bright {
    0%,100% { filter: brightness(100%); }
    50% { filter: brightness(150%); }
}