diff --git a/exampleSite/content/basics/migration/_index.en.md b/exampleSite/content/basics/migration/_index.en.md
index 6a9db29848..c0fdd7554e 100644
--- a/exampleSite/content/basics/migration/_index.en.md
+++ b/exampleSite/content/basics/migration/_index.en.md
@@ -18,6 +18,16 @@ This document shows you what's new in the latest release. For a detailed list of
 
 ---
 
+## 5.11.0 (not yet released)
+
+- {{% badge style="note" title=" " %}}Change{{% /badge %}} The JavaScript code for handling image lightboxes (was [Featherlight](https://noelboss.github.io/featherlight)) was replaced by a CSS-only solution.
+
+  This also changed the [lightbox effects]({{% relref "cont/markdown#lightbox" %}}) parameter from `featherlight=false` to `lightbox=false`. Nevertheless you don't need to change anything as the old name will be used as a fallback.
+
+  As a further advantage, the image inside the lightbox now has its own URL and is therefore linkable.
+
+---
+
 ## 5.10.0 (2023-01-25)
 
 - {{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} The [`attachments`]({{% relref "shortcodes/attachments" %}}), [`badge`]({{% relref "shortcodes/badge" %}}), [`button`]({{% relref "shortcodes/button" %}}) and [`notice`]({{% relref "shortcodes/notice" %}}) shortcodes have a new parameter `color` to set arbitrary CSS color values.
diff --git a/exampleSite/content/cont/markdown.en.md b/exampleSite/content/cont/markdown.en.md
index 3692ef82fa..630fc547dc 100644
--- a/exampleSite/content/cont/markdown.en.md
+++ b/exampleSite/content/cont/markdown.en.md
@@ -666,12 +666,12 @@ Add a query parameter `classes` to the link image to add CSS classes. Add some o
 
 #### Lightbox
 
-Add the query parameter `featherlight=false` to the image link to disable the lightbox.
+Add the query parameter `lightbox=false` to the image link to disable the lightbox.
 
 ````markdown
-![Homercat](https://octodex.github.com/images/homercat.png?featherlight=false)
+![Homercat](https://octodex.github.com/images/homercat.png?lightbox=false)
 ````
 
 {{% notice style="secondary" icon="eye" title="Result" %}}
-![Homercat](https://octodex.github.com/images/homercat.png?width=20vw&featherlight=false&classes=bg-white)
+![Homercat](https://octodex.github.com/images/homercat.png?width=20vw&lightbox=false&classes=bg-white)
 {{% /notice %}}
diff --git a/exampleSite/content/more/credits/_index.en.md b/exampleSite/content/more/credits/_index.en.md
index e652704c70..6e10c462b9 100644
--- a/exampleSite/content/more/credits/_index.en.md
+++ b/exampleSite/content/more/credits/_index.en.md
@@ -15,7 +15,6 @@ Many thanks to [Andy Miller](https://github.com/rhukster) for initially creating
 
 - [autoComplete](https://github.com/Pixabay/JavaScript-autoComplete) - A lightweight and powerful vanilla JavaScript completion suggester
 - [clipboard.js](https://clipboardjs.com) - A modern approach to copy text to clipboard
-- [Featherlight](https://noelboss.github.io/featherlight) - A lightweight jQuery lightbox plugin
 - [Font Awesome](https://fontawesome.com) - The internet's icon library and toolkit
 - [jQuery](https://jquery.com) - The "Write less, do more" JavaScript library
 - [jquery-svg-zoom-pan](https://github.com/DanielHoffmann/jquery-svg-pan-zoom) - A jQuery plugin to enable pan and zoom in SVG images
diff --git a/layouts/_default/_markup/render-image.html b/layouts/_default/_markup/render-image.html
index 500fc908ed..f7d656fa5a 100644
--- a/layouts/_default/_markup/render-image.html
+++ b/layouts/_default/_markup/render-image.html
@@ -3,4 +3,5 @@
   "url" .Destination
   "title" .Title
   "alt" .Text
+  "ordinal" 0
 ) }}
\ No newline at end of file
diff --git a/layouts/partials/footer.html b/layouts/partials/footer.html
index cc25494770..5246e0b87e 100644
--- a/layouts/partials/footer.html
+++ b/layouts/partials/footer.html
@@ -6,7 +6,6 @@
 {{- partial "output-partial.hugo" (dict "base" "menu" "page" . "parameter" . "outputFormat" $outputFormat) }}
     <script src="{{"js/clipboard.min.js" | relURL}}{{ if not .Site.Params.disableAssetsBusting }}?{{ now.Unix }}{{ end }}" defer></script>
     <script src="{{"js/perfect-scrollbar.min.js" | relURL}}{{ if not .Site.Params.disableAssetsBusting }}?{{ now.Unix }}{{ end }}" defer></script>
-    <script src="{{"js/featherlight.min.js" | relURL}}{{ if not .Site.Params.disableAssetsBusting }}?{{ now.Unix }}{{ end }}" defer></script>
 {{- $wantsMathJax := or (.Page.Store.Get "hasMathJax") (and (.Page.Store.Get (printf "%sIsNested" $outputFormat)) (.Page.Store.Get "nestedHasMathJax")) }}
 {{- if $wantsMathJax }}
   {{- if isset .Params "mathjaxinitialize" }}
diff --git a/layouts/partials/shortcodes/image.html b/layouts/partials/shortcodes/image.html
index 49d8421769..1807b8b00b 100644
--- a/layouts/partials/shortcodes/image.html
+++ b/layouts/partials/shortcodes/image.html
@@ -2,8 +2,9 @@
 {{- $url := .url }}
 {{- $title := .title }}
 {{- $alt := .alt }}
+{{- $ordinal := .ordinal }}
 {{- $classes := slice }}
-{{- $featherlight := true }}
+{{- $lightbox := true }}
 {{- $height := "auto" }}
 {{- $width := "auto" }}
 {{- $dest_url := urls.Parse $url }}
@@ -25,7 +26,7 @@
 	{{- if $dest_url.Query.Get "classes" }}
 		{{- $classes = $classes | append (split ($dest_url.Query.Get "classes") ",") }}
 	{{- end }}
-	{{- $featherlight = (ne ($dest_url.Query.Get "featherlight") "false") }}
+	{{- $lightbox = and (ne ($dest_url.Query.Get "lightbox") "false") (ne ($dest_url.Query.Get "featherlight") "false") }}
 	{{- with $dest_url.Query.Get "height" }}
 		{{ $height = . }}
 	{{- end }}
@@ -33,10 +34,14 @@
 		{{ $width = . }}
 	{{- end }}
 {{- end }}
-{{- if $featherlight }}
-<a href="{{ $url | safeURL }}" data-featherlight="image">
+{{- $fragment := printf "%d-%s" $ordinal ((trim (replace (replace (replace (replace (replace $url "=" "-") "&" "-") "?" "-") "." "-") "/" "-") "-") | safeURL | anchorize) }}
+{{- if $lightbox }}
+<a href="#{{ $fragment }}">
 {{- end }}
 <img src="{{ $url | safeURL }}" alt="{{ $alt }}"{{ with $title }} title="{{ . }}"{{ end }}{{ if len ($classes) }} class="{{ delimit $classes " " }}"{{ end }} style="height: {{ $height }}; width: {{ $width }};" loading="lazy">
-{{- if $featherlight }}
+{{- if $lightbox }}
+</a>
+<a href="javascript:history.back();" class="lightbox" id="{{ $fragment }}">
+<img src="{{ $url | safeURL }}" alt="{{ $alt }}"{{ with $title }} title="{{ . }}"{{ end }}loading="lazy">
 </a>
 {{- end }}
\ No newline at end of file
diff --git a/layouts/partials/stylesheet.html b/layouts/partials/stylesheet.html
index b6d28a1ee5..38d92287fc 100644
--- a/layouts/partials/stylesheet.html
+++ b/layouts/partials/stylesheet.html
@@ -8,7 +8,6 @@
     {{- $assetBusting := not .Site.Params.disableAssetsBusting }}
     {{ "<!-- https://github.com/filamentgroup/loadCSS/blob/master/README.md#how-to-use -->" | safeHTML }}
     <link href="{{"css/fontawesome-all.min.css" | relURL}}{{ if $assetBusting }}?{{ now.Unix }}{{ end }}" rel="stylesheet" media="print" onload="this.media='all';this.onload=null;"><noscript><link href="{{"css/fontawesome-all.min.css" | relURL}}{{ if $assetBusting }}?{{ now.Unix }}{{ end }}" rel="stylesheet"></noscript>
-    <link href="{{"css/featherlight.min.css" | relURL}}{{ if $assetBusting }}?{{ now.Unix }}{{ end }}" rel="stylesheet" media="print" onload="this.media='all';this.onload=null;"><noscript><link href="{{"css/featherlight.min.css" | relURL}}{{ if $assetBusting }}?{{ now.Unix }}{{ end }}" rel="stylesheet"></noscript>
     <link href="{{"css/auto-complete.css" | relURL}}{{ if $assetBusting }}?{{ now.Unix }}{{ end }}" rel="stylesheet" media="print" onload="this.media='all';this.onload=null;"><noscript><link href="{{"css/auto-complete.css" | relURL}}{{ if $assetBusting }}?{{ now.Unix }}{{ end }}" rel="stylesheet"></noscript>
     <link href="{{"css/perfect-scrollbar.min.css" | relURL}}{{ if $assetBusting }}?{{ now.Unix }}{{ end }}" rel="stylesheet">
     <link href="{{"css/nucleus.css" | relURL}}{{ if $assetBusting }}?{{ now.Unix }}{{ end }}" rel="stylesheet">
diff --git a/static/css/featherlight.min.css b/static/css/featherlight.min.css
deleted file mode 100644
index 058487f916..0000000000
--- a/static/css/featherlight.min.css
+++ /dev/null
@@ -1,8 +0,0 @@
-/**
- * Featherlight - ultra slim jQuery lightbox
- * Version 1.7.13 - http://noelboss.github.io/featherlight/
- *
- * Copyright 2018, Noël Raoul Bossart (http://www.noelboss.com)
- * MIT Licensed.
-**/
-html.with-featherlight{overflow:hidden}.featherlight{display:none;position:fixed;top:0;right:0;bottom:0;left:0;z-index:2147483647;text-align:center;white-space:nowrap;cursor:pointer;background:#333;background:rgba(0,0,0,0)}.featherlight:last-of-type{background:rgba(0,0,0,.8)}.featherlight:before{content:'';display:inline-block;height:100%;vertical-align:middle}.featherlight .featherlight-content{position:relative;text-align:left;vertical-align:middle;display:inline-block;overflow:auto;padding:25px 25px 0;border-bottom:25px solid transparent;margin-left:5%;margin-right:5%;max-height:95%;background:#fff;cursor:auto;white-space:normal}.featherlight .featherlight-inner{display:block}.featherlight link.featherlight-inner,.featherlight script.featherlight-inner,.featherlight style.featherlight-inner{display:none}.featherlight .featherlight-close-icon{position:absolute;z-index:9999;top:0;right:0;line-height:25px;width:25px;cursor:pointer;text-align:center;font-family:Arial,sans-serif;background:#fff;background:rgba(255,255,255,.3);color:#000;border:0;padding:0}.featherlight .featherlight-close-icon::-moz-focus-inner{border:0;padding:0}.featherlight .featherlight-image{width:100%}.featherlight-iframe .featherlight-content{border-bottom:0;padding:0;-webkit-overflow-scrolling:touch}.featherlight iframe{border:0}.featherlight *{-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box}@media only screen and (max-width:1024px){.featherlight .featherlight-content{margin-left:0;margin-right:0;max-height:98%;padding:10px 10px 0;border-bottom:10px solid transparent}}@media print{html.with-featherlight>*>:not(.featherlight){display:none}}
\ No newline at end of file
diff --git a/static/css/ie.css b/static/css/ie.css
index 83d52d3f66..c6dce21117 100644
--- a/static/css/ie.css
+++ b/static/css/ie.css
@@ -329,7 +329,7 @@
 		background-color: #ffffff; /* var(--INTERNAL-MAIN-BG-color) */
 	}
 
-	div.featherlight .featherlight-content{
+	.lightbox img{
 		background-color: #ffffff /* var(--INTERNAL-MAIN-BG-color); */
 	}
 
diff --git a/static/css/theme.css b/static/css/theme.css
index 983f100cd1..ada1b073f3 100644
--- a/static/css/theme.css
+++ b/static/css/theme.css
@@ -77,7 +77,6 @@ dd {
     max-width: 300px;
     position: fixed;
     width: 300px;
-    z-index: 80;
 }
 
 #header-wrapper {
@@ -807,14 +806,6 @@ td {
     position: relative;
 }
 
-.lightbox-active #body {
-    overflow: visible;
-}
-
-.featherlight img {
-    margin: 0 !important;
-}
-
 #topbar {
     min-height: 3rem;
     position: relative;
@@ -1717,3 +1708,30 @@ article ul li input[type="checkbox"]::before {
 article ul li input[type="checkbox"]:checked::before {
     transform: scale(1);
 }
+
+/* CSS Lightbox https://codepen.io/gschier/pen/kyRXVx */
+.lightbox {
+    align-items: center;
+    background: rgba(0, 0, 0, 0.8);
+    bottom: 0;
+    display: none;
+    justify-content: center;
+    left: 0;
+    position: fixed;
+    right: 0;
+    text-align: center;
+    top: 0;
+    white-space: nowrap;
+    z-index: 1999;
+}
+
+.lightbox:target {
+    display: flex;
+}
+
+.lightbox img {
+    max-height: 95%;
+    max-width: 95%;
+    overflow: auto;
+    padding: min(2vh, 2vw);
+}
diff --git a/static/css/variant.css b/static/css/variant.css
index ed15e53490..e80559c613 100644
--- a/static/css/variant.css
+++ b/static/css/variant.css
@@ -332,7 +332,7 @@ table {
     background-color: var(--INTERNAL-MAIN-BG-color);
 }
 
-div.featherlight .featherlight-content{
+.lightbox img{
     background-color: var(--INTERNAL-MAIN-BG-color);
 }
 
diff --git a/static/js/featherlight.min.js b/static/js/featherlight.min.js
deleted file mode 100644
index 062e823ff0..0000000000
--- a/static/js/featherlight.min.js
+++ /dev/null
@@ -1,9 +0,0 @@
-/**
- * Featherlight - ultra slim jQuery lightbox
- * Version 1.7.13 - http://noelboss.github.io/featherlight/
- *
- * Copyright 2018, Noël Raoul Bossart (http://www.noelboss.com)
- * MIT Licensed.
-**/
-// Modified by OZ -> https://github.com/noelboss/featherlight/issues/317
-!function(u){"use strict";if(void 0!==u)if(u.fn.jquery.match(/-ajax/))"console"in window&&window.console.info("Featherlight needs regular jQuery, not the slim version.");else{var r=[],i=function(t){return r=u.grep(r,function(e){return e!==t&&0<e.$instance.closest("body").length})},o={allow:1,allowfullscreen:1,frameborder:1,height:1,longdesc:1,marginheight:1,marginwidth:1,mozallowfullscreen:1,name:1,referrerpolicy:1,sandbox:1,scrolling:1,src:1,srcdoc:1,style:1,webkitallowfullscreen:1,width:1},n={keyup:"onKeyUp",resize:"onResize"},a=function(e){u.each(c.opened().reverse(),function(){if(!e.isDefaultPrevented()&&!1===this[n[e.type]](e))return e.preventDefault(),e.stopPropagation(),!1})},s=function(e){if(e!==c._globalHandlerInstalled){c._globalHandlerInstalled=e;var t=u.map(n,function(e,t){return t+"."+c.prototype.namespace}).join(" ");u(window)[e?"on":"off"](t,a)}};c.prototype={constructor:c,namespace:"featherlight",targetAttr:"data-featherlight",variant:null,resetCss:!1,background:null,openTrigger:"click",closeTrigger:"click",filter:null,root:"body",openSpeed:250,closeSpeed:250,closeOnClick:"background",closeOnEsc:!0,closeIcon:"&#10005;",loading:"",persist:!1,otherClose:null,beforeOpen:u.noop,beforeContent:u.noop,beforeClose:u.noop,afterOpen:u.noop,afterContent:u.noop,afterClose:u.noop,onKeyUp:u.noop,onResize:u.noop,type:null,contentFilters:["jquery","image","html","ajax","iframe","text"],setup:function(e,t){"object"!=typeof e||e instanceof u!=!1||t||(t=e,e=void 0);var n=u.extend(this,t,{target:e}),r=n.resetCss?n.namespace+"-reset":n.namespace,i=u(n.background||['<div class="'+r+"-loading "+r+'">','<div class="'+r+'-content">','<button class="'+r+"-close-icon "+n.namespace+'-close" aria-label="Close">',n.closeIcon,"</button>",'<div class="'+n.namespace+'-inner">'+n.loading+"</div>","</div>","</div>"].join("")),o="."+n.namespace+"-close"+(n.otherClose?","+n.otherClose:"");return n.$instance=i.clone().addClass(n.variant),n.$instance.on(n.closeTrigger+"."+n.namespace,function(e){if(!e.isDefaultPrevented()){var t=u(e.target);("background"===n.closeOnClick&&t.is("."+n.namespace)||"anywhere"===n.closeOnClick||t.closest(o).length)&&(n.close(e),e.preventDefault())}}),this},getContent:function(){if(!1!==this.persist&&this.$content)return this.$content;var t=this,e=this.constructor.contentFilters,n=function(e){return t.$currentTarget&&t.$currentTarget.attr(e)},r=n(t.targetAttr),i=t.target||r||"",o=e[t.type];if(!o&&i in e&&(o=e[i],i=t.target&&r),i=i||n("href")||"",!o)for(var a in e)t[a]&&(o=e[a],i=t[a]);if(!o){var s=i;if(i=null,u.each(t.contentFilters,function(){return(o=e[this]).test&&(i=o.test(s)),!i&&o.regex&&s.match&&s.match(o.regex)&&(i=s),!i}),!i)return"console"in window&&window.console.error("Featherlight: no content filter found "+(s?' for "'+s+'"':" (no target specified)")),!1}return o.process.call(t,i)},setContent:function(e){return this.$instance.removeClass(this.namespace+"-loading"),this.$instance.toggleClass(this.namespace+"-iframe",e.is("iframe")),this.$instance.find("."+this.namespace+"-inner").not(e).slice(1).remove().end().replaceWith(u.contains(this.$instance[0],e[0])?"":e),this.$content=e.addClass(this.namespace+"-inner"),this},open:function(t){var n=this;if(n.$instance.hide().appendTo(n.root),!(t&&t.isDefaultPrevented()||!1===n.beforeOpen(t))){t&&t.preventDefault();var e=n.getContent();if(e)return r.push(n),s(!0),n.$instance.fadeIn(n.openSpeed),n.beforeContent(t),u.when(e).always(function(e){n.setContent(e),n.afterContent(t)}).then(n.$instance.promise()).done(function(){n.afterOpen(t)})}return n.$instance.detach(),u.Deferred().reject().promise()},close:function(e){var t=this,n=u.Deferred();return!1===t.beforeClose(e)?n.reject():(0===i(t).length&&s(!1),t.$instance.fadeOut(t.closeSpeed,function(){t.$instance.detach(),t.afterClose(e),n.resolve()})),n.promise()},resize:function(e,t){if(e&&t&&(this.$content.css("width","").css("height",""),this.$content.parent().width()<e||this.$content.parent().height()<t)){var n=Math.max(e/(this.$content.parent().width()-1),t/(this.$content.parent().height()-1));1<n&&(n=t/Math.floor(t/n),this.$content.css("width",e/n+"px").css("height",t/n+"px"))}},chainCallbacks:function(e){for(var t in e)this[t]=u.proxy(e[t],this,u.proxy(this[t],this))}},u.extend(c,{id:0,autoBind:"[data-featherlight]",defaults:c.prototype,contentFilters:{jquery:{regex:/^[#.]\w/,test:function(e){return e instanceof u&&e},process:function(e){return!1!==this.persist?u(e):u(e).clone(!0)}},image:{regex:/\.(png|jpg|jpeg|gif|tiff?|bmp|svg)(\?\S*)?$/i,process:function(e){var t=u.Deferred(),n=new Image,r=u('<img src="'+e+'" alt="" class="'+this.namespace+'-image" />');return n.onload=function(){r.naturalWidth=n.width,r.naturalHeight=n.height,t.resolve(r)},n.onerror=function(){t.reject(r)},n.src=e,t.promise()}},html:{regex:/^\s*<[\w!][^<]*>/,process:function(e){return u(e)}},ajax:{regex:/./,process:function(e){var n=u.Deferred(),r=u("<div></div>").load(e,function(e,t){"error"!==t&&n.resolve(r.contents()),n.fail()});return n.promise()}},iframe:{process:function(e){var t=new u.Deferred,n=u("<iframe/>"),r=function(e,t){var n={},r=new RegExp("^"+t+"([A-Z])(.*)");for(var i in e){var o=i.match(r);o&&(n[(o[1]+o[2].replace(/([A-Z])/g,"-$1")).toLowerCase()]=e[i])}return n}(this,"iframe"),i=function(e,t){var n={};for(var r in e)r in t&&(n[r]=e[r],delete e[r]);return n}(r,o);return n.hide().attr("src",e).attr(i).css(r).on("load",function(){t.resolve(n.show())}).appendTo(this.$instance.find("."+this.namespace+"-content")),t.promise()}},text:{process:function(e){return u("<div>",{text:e})}}},functionAttributes:["beforeOpen","afterOpen","beforeContent","afterContent","beforeClose","afterClose"],readElementConfig:function(e,t){var r=this,i=new RegExp("^data-"+t+"-(.*)"),o={};return e&&e.attributes&&u.each(e.attributes,function(){var e=this.name.match(i);if(e){var t=this.value,n=u.camelCase(e[1]);if(0<=u.inArray(n,r.functionAttributes))t=new Function(t);else try{t=JSON.parse(t)}catch(e){}o[n]=t}}),o},extend:function(e,t){var n=function(){this.constructor=e};return n.prototype=this.prototype,e.prototype=new n,e.__super__=this.prototype,u.extend(e,this,t),e.defaults=e.prototype,e},attach:function(i,o,a){var s=this;"object"!=typeof o||o instanceof u!=!1||a||(a=o,o=void 0);var c,e=(a=u.extend({},a)).namespace||s.defaults.namespace,l=u.extend({},s.defaults,s.readElementConfig(i[0],e),a),t=function(e){var t=u(e.currentTarget),n=u.extend({$source:i,$currentTarget:t},s.readElementConfig(i[0],l.namespace),s.readElementConfig(e.currentTarget,l.namespace),a),r=c||t.data("featherlight-persisted")||new s(o,n);"shared"===r.persist?c=r:!1!==r.persist&&t.data("featherlight-persisted",r),n.$currentTarget.blur&&n.$currentTarget.blur(),r.open(e)};return i.on(l.openTrigger+"."+l.namespace,l.filter,t),{filter:l.filter,handler:t}},current:function(){var e=this.opened();return e[e.length-1]||null},opened:function(){var t=this;return i(),u.grep(r,function(e){return e instanceof t})},close:function(e){var t=this.current();if(t)return t.close(e)},_onReady:function(){var r=this;if(r.autoBind){var i=u(r.autoBind);i.each(function(){r.attach(u(this))}),u(document).on("click",r.autoBind,function(e){if(!e.isDefaultPrevented()){var t=u(e.currentTarget);if(i.length!==(i=i.add(t)).length){var n=r.attach(t);(!n.filter||0<u(e.target).parentsUntil(t,n.filter).length)&&n.handler(e)}}})}},_callbackChain:{onKeyUp:function(e,t){return 27===t.keyCode?(this.closeOnEsc&&u.featherlight.close(t),!1):e(t)},beforeOpen:function(e,t){return u(document.documentElement).addClass("with-featherlight"),this._previouslyActive=document.activeElement,this._$previouslyTabbable=u("a, input, select, textarea, iframe, button, iframe, [contentEditable=true]").not("[tabindex]").not(this.$instance.find("button")),this._$previouslyWithTabIndex=u("[tabindex]").not('[tabindex="-1"]'),this._previousWithTabIndices=this._$previouslyWithTabIndex.map(function(e,t){return u(t).attr("tabindex")}),this._$previouslyWithTabIndex.add(this._$previouslyTabbable).attr("tabindex",-1),document.activeElement.blur&&document.activeElement.blur(),e(t)},afterClose:function(e,t){var n=e(t),r=this;return this._$previouslyTabbable.removeAttr("tabindex"),this._$previouslyWithTabIndex.each(function(e,t){u(t).attr("tabindex",r._previousWithTabIndices[e])}),this._previouslyActive.focus(),0===c.opened().length&&u(document.documentElement).removeClass("with-featherlight"),n},onResize:function(e,t){return this.resize(this.$content.naturalWidth,this.$content.naturalHeight),e(t)},afterContent:function(e,t){var n=e(t);return this.$instance.find("[autofocus]:not([disabled])").focus(),this.onResize(t),n}}}),u.featherlight=c,u.fn.featherlight=function(e,t){return c.attach(this,e,t),this},u(document).ready(function(){c._onReady()})}else"console"in window&&window.console.info("Too much lightness, Featherlight needs jQuery.");function c(e,t){if(!(this instanceof c)){var n=new c(e,t);return n.open(),n}this.id=c.id++,this.setup(e,t),this.chainCallbacks(c._callbackChain)}}(jQuery);
\ No newline at end of file
diff --git a/static/js/theme.js b/static/js/theme.js
index 92ca27e1ec..a2d8c31a3c 100644
--- a/static/js/theme.js
+++ b/static/js/theme.js
@@ -757,7 +757,7 @@ function scrollToFragment() {
 function mark(){
     // mark some additonal stuff as searchable
     $('#topbar a:not(:has(img)):not(.btn)').addClass('highlight');
-    $('#body-inner a:not(:has(img)):not(.btn):not(a[rel="footnote"])').addClass('highlight');
+    $('#body-inner a:not(:has(img)):not(.btn):not(.lightbox):not(a[rel="footnote"])').addClass('highlight');
 
     var value = sessionStorage.getItem(baseUriFull+'search-value');
     $(".highlightable").highlight(value, { element: 'mark' });