/* Blur bg for pop-ups */
html.system-curtain-active body > *:not(#iPopStack):not(.system-curtain),
html.iPopActive body > *:not(#iPopStack):not(.system-curtain) {
    /* If you set a filter:blur(0px) it corrupts position of other elemnts that are display:fixed */
    /* filter:none; */
    /* -o-filter:none; */
    /* -ms-filter:none; */
    /* -moz-filter:none; */
}