.pum-overlay.pum-active,
 .pum-overlay.pum-active .popmake.active {
      display: block !important;
 }

html.pum-open.pum-open-overlay.pum-open-fixed .pum-overlay {
    overflow: hidden;
    position: fixed;
    width: 100%;
}
html.pum-open.pum-open-overlay.pum-open-scrollable .pum-overlay.pum-active {
    overflow-y: scroll;
    -webkit-overflow-scrolling: touch;
}<!-- WP Super Cache is installed but broken. The constant WPCACHEHOME must be set in the file wp-config.php and point at the WP Super Cache plugin directory. -->