/* Save this as block-visibility-options.css */
.gutenberg .block-hidden { display: none !important; }

/* mark elements in editor */
.is-root-container .hide-mobile {opacity: 0.4;}
.is-root-container .hide-tablet {opacity: 0.4;}
.is-root-container .hide-desktop {opacity: 0.4;}
.is-root-container .block-hidden{opacity: 0.2;}