Hey everyone! I’m running into a frustrating display problem on my website. I have a page that contains several embedded YouTube videos plus a photo gallery with clickable thumbnails. When someone clicks a thumbnail, my JavaScript code opens the full-size image in an iframe overlay. The trouble is that the YouTube video players keep showing through and blocking parts of the enlarged photo. The videos seem to have a higher z-index or something that makes them appear above my image modal. Has anyone dealt with this before? What’s the best way to fix this layering issue?
ugh, same thing happened to me! youtube iframes mess with z-index all the time. add ?wmode=transparent to your youtube embed urls - fixes the layering issue. my lightbox stopped getting covered by videos after that.
Had this same issue building a portfolio site last year. YouTube embeds create their own rendering context and basically ignore normal CSS stacking rules. The wmode parameter fix works, but I found something more reliable - just hide the YouTube iframes when you open the modal. Set the iframe’s style.display to ‘none’ when the modal opens, then back to ‘block’ when it closes. Completely kills the layering conflict and doesn’t mess with video functionality. Just remember to store the original display state first so you can restore each iframe properly.
Yeah, this is a known Flash issue, though most YouTube embeds use HTML5 now. Try bumping your modal’s z-index to 9999 or higher - that usually fixes it. Make sure your modal wrapper has position: fixed or absolute too, since some CSS positioning can mess with layering. If that doesn’t work, add allowtransparency="true" to your YouTube iframe along with the wmode parameter. Browsers sometimes need both to handle layering properly. The display toggle method works great too - just depends if you want videos playing in the background or completely paused.