#popup {
    display: none;
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 1;

    background: rgba(255, 255, 255, 0.4);
}

.popup_box {
    position: absolute;
    top: 50%;
    left: 50%;
    border-radius: 15px;
    transform: translate(-50%, -50%);
    background: #1F1F1F;
    padding: 10px;

    min-width: 100px;
    height: auto;
}

.popup_header {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
}

.popup_title {
    margin-right: 20px;
    font-size: 18px;
    font-weight: 700;
}

.popup_content {
    display: flex;
    align-items: center;
    margin-top: 10px;
}

#popup_email_field {
    width: 26ch;
    background-color: #2F2F2F;
    outline-color: white;
    border: none;
    border-bottom: 1px solid #888;
    margin-right: 10px;
    color: #fff;
    padding: 6px;
    font-size: 16px;
}