For close icon use this CSS

.oxy-lightbox .fancybox-toolbar .fancybox-button {
  font-size: 20px;
  background-color: #d5371e;
}
.oxy-lightbox .fancybox-toolbar .fancybox-button:hover {
  font-size: 20px;
  color: #fff;
  background-color: #5fa75a;
}

NOTE: AJEX hiam, iFrame hiam zangnuam i hihleh option 2 om

• .class zang a ideih teng display di
• Sing page a header leh footer zanglou a, i deuh teng chauh tenplate design di

Video Guides

Lightbox content: Inline (Element on current page)

Lightbox content: AJAX (HTML from another page)

Lightbox content: Video & Image

Lightbox content: Manual (Using links)