/* bg-overlay */
.sn-block-bg-overlay .sn-bgo-img           { display: none; }
.note-editable .sn-block-bg-overlay .sn-bgo-img { display: block; }
.note-editable .sn-block-bg-overlay .sn-bgo-content-wrap { background-image: none !important; background-color: #1f2937; }
.note-editable .sn-block-bg-overlay::before { content: attr(data-mode); position:absolute; top:8px; right:10px; z-index:10; background:rgba(0,0,0,.55); color:#fff; font-size:10px; font-family:monospace; padding:2px 7px; border-radius:3px; text-transform:uppercase; pointer-events:none; }
.note-editable .sn-block-bg-overlay:hover  { outline: 2px dashed #80bdff; outline-offset: 2px; }
@supports (-webkit-overflow-scrolling: touch) {
    .sn-block-bg-overlay .sn-bgo-content-wrap { background-attachment: scroll !important; }
}