.popup-overlay {
    display: none;
    position: fixed;
    z-index: 70000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgb(0,0,0);
    background-color: rgba(0,0,0,0.4);
}

.popup {
    max-height: 75%;
    width: 65%;
    overflow-y: auto;
    background-color: #ffffff;
    color: #000000;
    margin: 13% auto;
    padding: 60px;
    box-shadow: 0 4px 16px 0 rgba(0, 0, 0, 0.05), 0 1px 4px 0 rgba(0, 0, 0, 0.1);
    position: relative;
    border-radius: 5px;
}

@media screen and (max-width: 64rem) {
    .popup {
        width: 90%;
        padding: 45px 30px;
        margin: 20% auto;
    }
}

.close-popup-btn {
    color: #920035;
    float: right;
    font-size: 28px;
    font-weight: bold;
    position: absolute;
    top: 2px;
    right: 10px;
    background: none;
    border: 0;
    margin: 0;
    padding: 0;
}

.close-popup-btn:hover,
.close-popup-btn:focus {
    color: #c40047;
    text-decoration: none;
    cursor: pointer;
    background: none;
}