Added colorbox

static/css/colorbox.css

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+/*
+    Colorbox Core Style:
+    The following CSS is consistent between example themes and should not be altered.
+*/
+#colorbox, #cboxOverlay, #cboxWrapper{position:absolute; top:0; left:0; z-index:9999; overflow:hidden; -webkit-transform: translate3d(0,0,0);}
+#cboxWrapper {max-width:none;}
+#cboxOverlay{position:fixed; width:100%; height:100%;}
+#cboxMiddleLeft, #cboxBottomLeft{clear:left;}
+#cboxContent{position:relative;}
+#cboxLoadedContent{overflow:auto; -webkit-overflow-scrolling: touch;}
+#cboxTitle{margin:0;}
+#cboxLoadingOverlay, #cboxLoadingGraphic{position:absolute; top:0; left:0; width:100%; height:100%;}
+#cboxPrevious, #cboxNext, #cboxClose, #cboxSlideshow{cursor:pointer;}
+.cboxPhoto{float:left; margin:auto; border:0; display:block; max-width:none; -ms-interpolation-mode:bicubic;}
+.cboxIframe{width:100%; height:100%; display:block; border:0; padding:0; margin:0;}
+#colorbox, #cboxContent, #cboxLoadedContent{box-sizing:content-box; -moz-box-sizing:content-box; -webkit-box-sizing:content-box;}
+
+/* 
+    User Style:
+    Change the following styles to modify the appearance of Colorbox.  They are
+    ordered & tabbed in a way that represents the nesting of the generated HTML.
+*/
+#cboxOverlay{background:#fff; opacity: 0.9; filter: alpha(opacity = 90);}
+#colorbox{outline:0;}
+    #cboxContent{margin-top:32px; overflow:visible; background:#000;}
+        .cboxIframe{background:#fff;}
+        #cboxError{padding:50px; border:1px solid #ccc;}
+        #cboxLoadedContent{background:#000; padding:1px;}
+        #cboxLoadingGraphic{background:url(images/loading.gif) no-repeat center center;}
+        #cboxLoadingOverlay{background:#000;}
+        #cboxTitle{position:absolute; top:-22px; left:0; color:#000;}
+        #cboxCurrent{position:absolute; top:-22px; right:205px; text-indent:-9999px;}
+
+        /* these elements are buttons, and may need to have additional styles reset to avoid unwanted base styles */
+        #cboxPrevious, #cboxNext, #cboxSlideshow, #cboxClose {border:0; padding:0; margin:0; overflow:visible; text-indent:-9999px; width:20px; height:20px; position:absolute; top:-20px; background:url(images/controls.png) no-repeat 0 0;}
+        
+        /* avoid outlines on :active (mouseclick), but preserve outlines on :focus (tabbed navigating) */
+        #cboxPrevious:active, #cboxNext:active, #cboxSlideshow:active, #cboxClose:active {outline:0;}
+
+        #cboxPrevious{background-position:0px 0px; right:44px;}
+        #cboxPrevious:hover{background-position:0px -25px;}
+        #cboxNext{background-position:-25px 0px; right:22px;}
+        #cboxNext:hover{background-position:-25px -25px;}
+        #cboxClose{background-position:-50px 0px; right:0;}
+        #cboxClose:hover{background-position:-50px -25px;}
+        .cboxSlideshow_on #cboxPrevious, .cboxSlideshow_off #cboxPrevious{right:66px;}
+        .cboxSlideshow_on #cboxSlideshow{background-position:-75px -25px; right:44px;}
+        .cboxSlideshow_on #cboxSlideshow:hover{background-position:-100px -25px;}
+        .cboxSlideshow_off #cboxSlideshow{background-position:-100px 0px; right:44px;}
+        .cboxSlideshow_off #cboxSlideshow:hover{background-position:-75px -25px;}

static/css/justifiedGallery.min.css

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+/*!
+ * justifiedGallery - v3.7.0
+ * http://miromannino.github.io/Justified-Gallery/
+ * Copyright (c) 2018 Miro Mannino
+ * Licensed under the MIT license.
+ */
+.justified-gallery {
+  width: 100%;
+  position: relative;
+  overflow: hidden;
+}
+.justified-gallery > a,
+.justified-gallery > div,
+.justified-gallery > figure {
+  position: absolute;
+  display: inline-block;
+  overflow: hidden;
+  /* background: #888888; To have gray placeholders while the gallery is loading with waitThumbnailsLoad = false */
+  filter: "alpha(opacity=10)";
+  opacity: 0.1;
+  margin: 0;
+  padding: 0;
+}
+.justified-gallery > a > img,
+.justified-gallery > div > img,
+.justified-gallery > figure > img,
+.justified-gallery > a > a > img,
+.justified-gallery > div > a > img,
+.justified-gallery > figure > a > img {
+  position: absolute;
+  top: 50%;
+  left: 50%;
+  margin: 0;
+  padding: 0;
+  border: none;
+  filter: "alpha(opacity=0)";
+  opacity: 0;
+}
+.justified-gallery > a > .caption,
+.justified-gallery > div > .caption,
+.justified-gallery > figure > .caption {
+  display: none;
+  position: absolute;
+  bottom: 0;
+  padding: 5px;
+  background-color: #000000;
+  left: 0;
+  right: 0;
+  margin: 0;
+  color: white;
+  font-size: 12px;
+  font-weight: 300;
+  font-family: sans-serif;
+}
+.justified-gallery > a > .caption.caption-visible,
+.justified-gallery > div > .caption.caption-visible,
+.justified-gallery > figure > .caption.caption-visible {
+  display: initial;
+  filter: "alpha(opacity=70)";
+  opacity: 0.7;
+  -webkit-transition: opacity 500ms ease-in;
+  -moz-transition: opacity 500ms ease-in;
+  -o-transition: opacity 500ms ease-in;
+  transition: opacity 500ms ease-in;
+}
+.justified-gallery > .entry-visible {
+  filter: "alpha(opacity=100)";
+  opacity: 1;
+  background: none;
+}
+.justified-gallery > .entry-visible > img,
+.justified-gallery > .entry-visible > a > img {
+  filter: "alpha(opacity=100)";
+  opacity: 1;
+  -webkit-transition: opacity 500ms ease-in;
+  -moz-transition: opacity 500ms ease-in;
+  -o-transition: opacity 500ms ease-in;
+  transition: opacity 500ms ease-in;
+}
+.justified-gallery > .jg-filtered {
+  display: none;
+}
+.justified-gallery > .spinner {
+  position: absolute;
+  bottom: 0;
+  margin-left: -24px;
+  padding: 10px 0 10px 0;
+  left: 50%;
+  filter: "alpha(opacity=100)";
+  opacity: 1;
+  overflow: initial;
+}
+.justified-gallery > .spinner > span {
+  display: inline-block;
+  filter: "alpha(opacity=0)";
+  opacity: 0;
+  width: 8px;
+  height: 8px;
+  margin: 0 4px 0 4px;
+  background-color: #000;
+  border-radius: 6px;
+}

static/js/load-colorbox.js

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+jQuery('a.mybox').colorbox({ 
+maxWidth:"90%",
+maxHeight:"90%",
+transition:"elastic",
+opacity:"0.9",
+rel:"group1",
+scrolling: false });