.fb-banner { display:block; width:100%; line-height:0; background:#000; }
.fb-banner img { display:block; width:100%; height:auto; max-height:320px; object-fit:cover; }
.fb-banner-admin .preview { border:1px solid rgba(127,127,127,.4); padding:6px; margin:8px 0; }
.fb-banner-admin .preview img { max-width:100%; max-height:220px; display:block; }
.fb-banner-admin label { display:block; font-weight:bold; font-size:11px; margin:10px 0 3px; }
.fb-banner-admin .or { text-align:center; color:#888; font-size:11px; margin:6px 0; }