Change Blog Popup X color

[tuanphan]

You can use this code to Custom CSS box

div[class*="eapps-blog"] [class*="Popup"] svg {
    fill: #f1f;
}
div[class*="eapps-blog"] [class*="Popup"] button[class*="PopupClose"] {
    background-color: #000 !important;
}

Result