diff --git a/dist/imagelightbox.min.css b/dist/imagelightbox.min.css
index 6615b0d7..12737b77 100644
--- a/dist/imagelightbox.min.css
+++ b/dist/imagelightbox.min.css
@@ -1 +1 @@
-#imagelightbox{cursor:pointer;position:fixed;z-index:10000;top:50%;-ms-touch-action:none;touch-action:none;-webkit-box-shadow:0 0 3.125em rgba(0,0,0,.75);box-shadow:0 0 3.125em rgba(0,0,0,.75)}.imagelightbox-open{-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;overflow:hidden}.imagelightbox-loading,.imagelightbox-loading div{border-radius:9999px}.imagelightbox-loading{background-color:rgba(130,130,130,.8);position:fixed;z-index:10003;top:50%;left:50%;padding:.65em;margin:-1.3em 0 0 -1.3em;-webkit-box-shadow:0 0 2.5em rgba(130,130,130,.6);box-shadow:0 0 2.5em rgba(130,130,130,.6)}.imagelightbox-loading div{width:1.3em;height:1.3em;background-color:#fff;-webkit-animation:imagelightbox-loading .5s ease infinite;animation:imagelightbox-loading .5s ease infinite}@-webkit-keyframes imagelightbox-loading{from{opacity:.5;-webkit-transform:scale(.75);transform:scale(.75)}50%{opacity:1;-webkit-transform:scale(1);transform:scale(1)}to{opacity:.5;-webkit-transform:scale(.75);transform:scale(.75)}}@keyframes imagelightbox-loading{from{opacity:.5;-webkit-transform:scale(.75);transform:scale(.75)}50%{opacity:1;-webkit-transform:scale(1);transform:scale(1)}to{opacity:.5;-webkit-transform:scale(.75);transform:scale(.75)}}.imagelightbox-overlay{background-color:rgba(30,30,30,.9);position:fixed;z-index:9998;top:0;right:0;bottom:0;left:0}.imagelightbox-close{border:none;cursor:pointer;width:3em;height:3em;background-color:rgba(130,130,130,.8);position:fixed;z-index:10002;top:2.5em;right:2.5em;border-radius:50%;-webkit-transition:color .3s ease;transition:color .3s ease}.imagelightbox-close:hover{background-color:#111}.imagelightbox-close:after,.imagelightbox-close:before{width:2px;background-color:#fff;content:'';position:absolute;top:20%;bottom:20%;left:50%;margin-left:-1px}.imagelightbox-close:before{-webkit-transform:rotate(45deg);-ms-transform:rotate(45deg);transform:rotate(45deg)}.imagelightbox-close:after{-webkit-transform:rotate(-45deg);-ms-transform:rotate(-45deg);transform:rotate(-45deg)}.imagelightbox-caption{text-align:center;color:#fff;background-color:#666;position:fixed;z-index:10001;left:0;right:0;bottom:0;padding:.625em}.imagelightbox-nav{background-color:rgba(0,0,0,.5);position:fixed;z-index:10001;left:50%;bottom:3.75em;padding:.313em;-webkit-transform:translateX(-50%);-ms-transform:translateX(-50%);transform:translateX(-50%);border-radius:20px}.imagelightbox-nav a{position:relative;top:.2em;width:1em;height:1em;border:1px solid #fff;display:inline-block;margin:0 .313em;border-radius:50%}.imagelightbox-nav .active{-webkit-animation:fade-in .45s linear;animation:fade-in .45s linear;background-color:#fff}.imagelightbox-navitem:active{background:grey}.imagelightbox-arrow{border:none;border-radius:50%;cursor:pointer;width:4em;height:4em;background-color:rgba(130,130,130,.8);vertical-align:middle;display:none;position:fixed;z-index:10001;top:50%;padding:0;margin-top:-3.75em}.imagelightbox-arrow:hover{background-color:rgba(0,0,0,.75)}.imagelightbox-arrow:active{background-color:#111}.imagelightbox-arrow-left{left:2.5em}.imagelightbox-arrow-right{right:2.5em}.imagelightbox-arrow:before{width:0;height:0;border:1em solid transparent;content:'';display:inline-block;margin-bottom:-7%}.imagelightbox-arrow-left:before{border-left:none;border-right-color:#fff;margin-left:-.35em}.imagelightbox-arrow-right:before{border-right:none;border-left-color:#fff;margin-left:.2em}.imagelightbox-arrow,.imagelightbox-close,.imagelightbox-loading,.imagelightbox-nav,.imagelightbox-overlay{-webkit-animation:fade-in .25s linear;animation:fade-in .25s linear}@-webkit-keyframes fade-in{from{opacity:0}to{opacity:1}}@keyframes fade-in{from{opacity:0}to{opacity:1}}@media only screen and (max-width:41.250em){#container{width:100%}.imagelightbox-close{top:1.25em;right:1.25em}.imagelightbox-arrow{width:2.5em;height:3.75em;margin-top:-1.875em}.imagelightbox-arrow-left{left:1.25em}.imagelightbox-arrow-right{right:1.25em}}@media only screen and (max-width:20em){.imagelightbox-arrow-left{left:0}.imagelightbox-arrow-right{right:0}}
\ No newline at end of file
+#imagelightbox{cursor:pointer;position:fixed;z-index:10000;top:50%;-ms-touch-action:none;touch-action:none;-webkit-box-shadow:0 0 3.125em rgba(0,0,0,.75);box-shadow:0 0 3.125em rgba(0,0,0,.75)}.imagelightbox-open{-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;overflow:hidden}.imagelightbox-loading,.imagelightbox-loading div{border-radius:9999px}.imagelightbox-loading{background-color:rgba(130,130,130,.8);position:fixed;z-index:10003;top:50%;left:50%;padding:.65em;margin:-1.3em 0 0 -1.3em;-webkit-box-shadow:0 0 2.5em rgba(130,130,130,.6);box-shadow:0 0 2.5em rgba(130,130,130,.6)}.imagelightbox-loading div{width:1.3em;height:1.3em;background-color:#fff;-webkit-animation:imagelightbox-loading .5s ease infinite;animation:imagelightbox-loading .5s ease infinite}@-webkit-keyframes imagelightbox-loading{from{opacity:.5;-webkit-transform:scale(.75);transform:scale(.75)}50%{opacity:1;-webkit-transform:scale(1);transform:scale(1)}to{opacity:.5;-webkit-transform:scale(.75);transform:scale(.75)}}@keyframes imagelightbox-loading{from{opacity:.5;-webkit-transform:scale(.75);transform:scale(.75)}50%{opacity:1;-webkit-transform:scale(1);transform:scale(1)}to{opacity:.5;-webkit-transform:scale(.75);transform:scale(.75)}}.imagelightbox-overlay{background-color:rgba(30,30,30,.9);position:fixed;z-index:9998;top:0;right:0;bottom:0;left:0}.imagelightbox-close{border:none;cursor:pointer;width:3em;height:3em;background-color:rgba(130,130,130,.8);position:fixed;z-index:10002;top:2.5em;right:2.5em;border-radius:50%;-webkit-transition:color .3s ease;transition:color .3s ease}.imagelightbox-close:hover{background-color:#111}.imagelightbox-close:after,.imagelightbox-close:before{width:2px;background-color:#fff;content:'';position:absolute;top:20%;bottom:20%;left:50%;margin-left:-1px}.imagelightbox-close:before{-webkit-transform:rotate(45deg);-ms-transform:rotate(45deg);transform:rotate(45deg)}.imagelightbox-close:after{-webkit-transform:rotate(-45deg);-ms-transform:rotate(-45deg);transform:rotate(-45deg)}.imagelightbox-caption{text-align:center;color:#fff;background-color:#666;position:fixed;z-index:10001;left:0;right:0;bottom:0;padding:.625em;-webkit-transition:opacity .25s ease;transition:opacity .25s ease}.imagelightbox-nav{background-color:rgba(0,0,0,.5);position:fixed;z-index:10001;left:50%;bottom:3.75em;padding:.313em;-webkit-transform:translateX(-50%);-ms-transform:translateX(-50%);transform:translateX(-50%);border-radius:20px}.imagelightbox-nav a{position:relative;top:.2em;width:1em;height:1em;border:1px solid #fff;display:inline-block;margin:0 .313em;border-radius:50%}.imagelightbox-nav .active{-webkit-animation:fade-in .45s linear;animation:fade-in .45s linear;background-color:#fff}.imagelightbox-navitem:active{background:grey}.imagelightbox-arrow{border:none;border-radius:50%;cursor:pointer;width:4em;height:4em;background-color:rgba(130,130,130,.8);vertical-align:middle;display:none;position:fixed;z-index:10001;top:50%;padding:0;margin-top:-3.75em}.imagelightbox-arrow:hover{background-color:rgba(0,0,0,.75)}.imagelightbox-arrow:active{background-color:#111}.imagelightbox-arrow-left{left:2.5em}.imagelightbox-arrow-right{right:2.5em}.imagelightbox-arrow:before{width:0;height:0;border:1em solid transparent;content:'';display:inline-block;margin-bottom:-7%}.imagelightbox-arrow-left:before{border-left:none;border-right-color:#fff;margin-left:-.35em}.imagelightbox-arrow-right:before{border-right:none;border-left-color:#fff;margin-left:.2em}.imagelightbox-arrow,.imagelightbox-close,.imagelightbox-loading,.imagelightbox-nav,.imagelightbox-overlay{-webkit-animation:fade-in .25s linear;animation:fade-in .25s linear}@-webkit-keyframes fade-in{from{opacity:0}to{opacity:1}}@keyframes fade-in{from{opacity:0}to{opacity:1}}@media only screen and (max-width:41.250em){#container{width:100%}.imagelightbox-close{top:1.25em;right:1.25em}.imagelightbox-arrow{width:2.5em;height:3.75em;margin-top:-1.875em}.imagelightbox-arrow-left{left:1.25em}.imagelightbox-arrow-right{right:1.25em}}@media only screen and (max-width:20em){.imagelightbox-arrow-left{left:0}.imagelightbox-arrow-right{right:0}}
\ No newline at end of file
diff --git a/dist/imagelightbox.min.js b/dist/imagelightbox.min.js
index c45f7d55..61ebed31 100644
--- a/dist/imagelightbox.min.js
+++ b/dist/imagelightbox.min.js
@@ -1 +1 @@
-!function(F,M,D){"use strict";var R=F("<div/>").attr("class","imagelightbox-loading").append(F("<div/>")),t=F("<button/>",{type:"button",class:"imagelightbox-arrow imagelightbox-arrow-left"}),e=F("<button/>",{type:"button",class:"imagelightbox-arrow imagelightbox-arrow-right"}),z=t.add(e),X=F("<div/>",{class:"imagelightbox-caption",html:"&nbsp;"}),j=F("<button/>",{type:"button",class:"imagelightbox-close"}),N=F("<div/>",{class:"imagelightbox-overlay"}),U=F("<a/>",{href:"#",class:"imagelightbox-navitem"}),V=F("<div/>",{class:"imagelightbox-nav"}),K=F("<div/>",{class:"imagelightbox-wrapper"}),W=F("body"),o=function(){var t=D.body||D.documentElement;return""===(t=t.style).transition?"":""===t.WebkitTransition?"-webkit-":""===t.MozTransition?"-moz-":""===t.OTransition&&"-o-"},Y=!1!==o(),_=function(t,e,i){var n={},a=o();n[a+"transform"]="translateX("+e+") translateY(-50%)",n[a+"transition"]=a+"transform "+i+"s ease-in",t.css(n)},H="ontouchstart"in M,$=M.navigator.pointerEnabled||M.navigator.msPointerEnabled,B=function(t){if(H)return!0;if(!$||void 0===t||void 0===t.pointerType)return!1;if(void 0!==t.MSPOINTER_TYPE_MOUSE){if(t.MSPOINTER_TYPE_MOUSE!==t.pointerType)return!0}else if("mouse"!==t.pointerType)return!0;return!1},Q=!!(D.fullscreenEnabled||D.webkitFullscreenEnabled||D.mozFullScreenEnabled||D.msFullscreenEnabled),A=!(!M.history||!history.pushState);F.fn.imageLightbox=function(t){var i="",s=F([]),u=F(),g=F([]),r=-1,d=F(),f=0,h=!1,n=0,p=F.extend({selector:"a[data-imagelightbox]",id:"imagelightbox",allowedTypes:"png|jpg|jpeg|gif",animationSpeed:250,activity:!1,arrows:!1,button:!1,caption:!1,enableKeyboard:!0,history:!1,fullscreen:!1,gutter:10,offsetY:0,navigation:!1,overlay:!1,preloadNext:!0,quitOnEnd:!1,quitOnImgClick:!1,quitOnDocClick:!0,quitOnEscKey:!0},t),b=function(){p.activity&&y(),p.arrows&&z.css("display","block")},a=function(t,e,i){var n=e+"="+i,a="?"+n;if(t){var o=new RegExp("([?&])"+e+"=[^&]*");a=null!==t.match(o)?t.replace(o,"$1"+n):t+"&"+n}return a},o=function(){if(A&&p.history){var t=s[r].dataset.ilb2Id;t||(t=r);var e={imageLightboxIndex:t},i=s[r].dataset.imagelightbox;i&&(e.imageLightboxSet=i);var n=a(D.location.search,"imageLightboxIndex",t);i&&(n=a(n,"imageLightboxSet",i)),M.history.pushState(e,"",D.location.pathname+n)}},e=function(t,e){var i=t;if(i){var n=new RegExp("\\?"+e+"=[^&]*"),a=new RegExp("&"+e+"=[^&]*");i=(i=i.replace(n,"?")).replace(a,"")}return i},l=function(t){var e=new RegExp("[?&]"+t+"(=([^&#]*)|&|#|$)").exec(D.location.search);if(e&&e[2])return decodeURIComponent(e[2].replace(/\+/g," "))},c=function(){if(A&&p.history){var t=l("imageLightboxIndex");if(t){var e=s.filter('[data-ilb2-id="'+t+'"]');0<e.length?r=s.index(e):e=F(s[r=t]);var i=l("imageLightboxSet");!e[0]||i&&i!==e[0].dataset.imagelightbox||T(e,!0)}}},m=function(){if(--r<0){if(!0===p.quitOnEnd)return void L();r=s.length-1}u=s.eq(r),o(),K.trigger("previous.ilb2",u),O(1)},v=function(){if(++r>=s.length){if(!0===p.quitOnEnd)return void L();r=0}o(),u=s.eq(r),K.trigger("next.ilb2",u),O(-1)},x=function(){K.append(R)},y=function(){F(".imagelightbox-loading").remove()},E=function(){K.append(N)},w=function(){j.appendTo(K).on("click.ilb7",function(){return L(),!1})},S=function(){X.html("&nbsp;"),F(u).data("ilb2-caption")?X.html(F(u).data("ilb2-caption")):0<F(u).find("img").length&&X.html(F(u).find("img").attr("alt"))},q=function(){if(s.length){for(var t=0;t<s.length;t++)V.append(U.clone());var e=V.children("a");e.eq(s.index(u)).addClass("active"),K.on("previous.ilb2 next.ilb2",function(){e.removeClass("active").eq(s.index(u)).addClass("active")}),K.append(V),V.on("click.ilb7 touchend.ilb7",function(){return!1}).on("click.ilb7 touchend.ilb7","a",function(){var t=F(this);if(s.eq(t.index()).attr("href")!==F(".imagelightbox").attr("src")){var e=s.eq(t.index());e.length&&(n=s.index(u),u=e,O(t.index()<n?-1:1))}t.addClass("active").siblings().removeClass("active")})}},I=function(){K.append(z),z.on("click.ilb7 touchend.ilb7",function(t){return t.stopImmediatePropagation(),t.preventDefault(),F(this).hasClass("imagelightbox-arrow-left")?m():v(),!1})},k=function(){if(!d.length)return!0;var t=p.caption?X.outerHeight():0,r=F(M).width(),l=F(M).height()-t,c=Math.abs(1-p.gutter/100);function e(t,e){if(r<t||l<e){var i=r/l<t/e?t/r:e/l;t/=i,e/=i}var n=e*c,a=t*c,o=(F(M).width()-a)/2;d.css({width:a+"px",height:n+"px",left:o+"px"})}if(void 0===d.get(0).videoWidth){var i=new Image;i.src=d.attr("src"),i.onload=function(){e(i.width,i.height)}}else e(d.get(0).videoWidth,d.get(0).videoHeight)},O=function(c){if(h)return!1;if(d.length){var t={opacity:0};Y?_(d,100*c-f+"px",p.animationSpeed/1e3):t.left=parseInt(d.css("left"))+100*c+"px",d.animate(t,p.animationSpeed,function(){C()}),f=0}h=!0,p.activity&&x(),p.caption&&S(),setTimeout(function(){var t,e,i=u.attr("href"),n=0,a=0,o=0,r=u.data("ilb2Video");function l(){var t={opacity:1};if(d.appendTo(K),k(),d.css("opacity",0),Y)_(d,-100*c+"px",0),setTimeout(function(){_(d,"0px",p.animationSpeed/1e3)},50);else{var e=parseInt(d.css("left"));t.left=e+"px",d.css("left",e-100*c+"px")}if(d.animate(t,p.animationSpeed,function(){h=!1,b()}),p.preloadNext){var i=s.eq(s.index(u)+1);i.length||(i=s.eq(0)),F("<img />").attr("src",i.attr("href"))}K.trigger("loaded.ilb2")}r?g.each(function(){this.i===u.data("ilb2VideoId")&&(t=this.l,e=this.e,this.a&&(!1===t&&e.attr("autoplay",this.a),!0===t&&e.get(0).play()))}):e=F("<img id='"+p.id+"' />").attr("src",i),d=e.on("load.ilb7",l).on("error.ilb7",function(){b()}).on($?"pointerup.ilb7 MSPointerUp.ilb7":"click.ilb7",function(t){if(t.preventDefault(),p.quitOnImgClick)return L(),!1;if(B(t.originalEvent))return!0;var e=(t.pageX||t.originalEvent.pageX)-t.target.offsetLeft;t.target.naturalWidth/2>e?m():v()}).on("touchstart.ilb7 pointerdown.ilb7 MSPointerDown.ilb7",function(t){if(!B(t.originalEvent)||p.quitOnImgClick)return!0;Y&&(o=parseInt(d.css("left"))),n=t.originalEvent.pageX||t.originalEvent.touches[0].pageX}).on("touchmove.ilb7 pointermove.ilb7 MSPointerMove.ilb7",function(t){if(!$&&"pointermove"===t.type||!B(t.originalEvent)||p.quitOnImgClick)return!0;t.preventDefault(),a=t.originalEvent.pageX||t.originalEvent.touches[0].pageX,f=n-a,Y?_(d,-f+"px",0):d.css("left",o-f+"px")}).on("touchend.ilb7 touchcancel.ilb7 pointerup.ilb7 pointercancel.ilb7 MSPointerUp.ilb7 MSPointerCancel.ilb7",function(t){if(!B(t.originalEvent)||p.quitOnImgClick)return!0;50<Math.abs(f)?f<0?m():v():Y?_(d,"0px",p.animationSpeed/1e3):d.animate({left:o+"px"},p.animationSpeed/2)}),!0===t&&l(),!1===t&&(d=d.on("loadedmetadata.ilb7",l))},p.animationSpeed+100)},C=function(){if(!d.length)return!1;d.remove(),d=F()},T=function(t,e){if(h)return!1;h=!1,u=t,r=s.index(u),e||o(),function(){p.arrows&&I(this),p.navigation&&q(),p.overlay&&E(),p.button&&w(),p.caption&&K.append(X)}(),W.append(K).addClass("imagelightbox-open"),K.trigger("start.ilb2",t),O(0)},L=function(t){if(r=-1,t||function(){if(A&&p.history){var t=e(D.location.search,"imageLightboxIndex");t=e(t,"imageLightboxSet"),M.history.pushState({},"",D.location.pathname+t)}}(),K.trigger("quit.ilb2"),W.removeClass("imagelightbox-open"),!d.length)return!1;d.animate({opacity:0},p.animationSpeed,function(){C(),h=!1,K.remove().find("*").remove()})},P=function(e){e.each(function(){s=e.add(F(this))}),e.on("click.ilb7",{set:i},function(t){t.preventDefault(),i=F(t.currentTarget).data("imagelightbox"),e.filter(function(){return F(this).data("imagelightbox")===i}).filter(function(){return function(t){return"a"===F(t).prop("tagName").toLowerCase()&&(new RegExp(".("+p.allowedTypes+")$","i").test(F(t).attr("href"))||F(t).data("ilb2Video"))}(F(this))}).each(function(){s=s.add(F(this))}),s.length<1?L():T(F(this))})};return F(M).on("resize.ilb7",k),A&&p.history&&F(M).on("popstate",function(t){var e=t.originalEvent.state;if(e){var i=e.imageLightboxIndex;if(void 0!==i){var n=s.filter('[data-ilb2-id="'+i+'"]');if(0<n.length)var a=s.index(n);else n=F(s[a=i]);if(n[0]&&(!e.imageLightboxSet||e.imageLightboxSet===n[0].dataset.imagelightbox))if(r<0)T(n,!0);else{var o=1;r<a&&(o=-1),u=n,r=a,O(o)}}else L(!0)}else L(!0)}),F(D).ready(function(){p.quitOnDocClick&&F(D).on(H?"touchend.ilb7":"click.ilb7",function(t){d.length&&!F(t.target).is(d)&&(t.preventDefault(),L())}),p.fullscreen&&Q&&F(D).on("keydown.ilb7",function(t){if(!d.length)return!0;-1<[9,32,38,40].indexOf(t.which)&&(t.stopPropagation(),t.preventDefault()),-1<[13].indexOf(t.which)&&(t.stopPropagation(),t.preventDefault(),function(){var t=M.document,e=D.getElementById(p.id).parentElement,i=e.requestFullscreen||e.mozRequestFullScreen||e.webkitRequestFullScreen||e.msRequestFullscreen,n=t.exitFullscreen||t.mozCancelFullScreen||t.webkitExitFullscreen||t.msExitFullscreen;t.fullscreenElement||t.mozFullScreenElement||t.webkitFullscreenElement||t.msFullscreenElement?n.call(t):i.call(e)}())}),p.enableKeyboard&&F(D).on("keydown.ilb7",function(t){if(!d.length)return!0;-1<[27].indexOf(t.which)&&p.quitOnEscKey&&(t.stopPropagation(),t.preventDefault(),L()),-1<[37].indexOf(t.which)&&(t.stopPropagation(),t.preventDefault(),m()),-1<[39].indexOf(t.which)&&(t.stopPropagation(),t.preventDefault(),v())})}),F(D).off("click",p.selector),P(F(this)),c(),s.each(function(){var t=F(this).data("ilb2Video");if(t){var e=F(this).data("ilb2Id");e||(e="a"+(65536*(1+Math.random())|0).toString(16)),F(this).data("ilb2VideoId",e);var n={e:F("<video id='"+p.id+"' preload='metadata'>"),i:e,l:!1,a:void 0};F.each(t,function(t,e){"autoplay"===t?n.a=e:"sources"!==t&&(n.e=n.e.attr(t,e))}),t.sources&&F.each(t.sources,function(t,e){var i=F("<source>");F.each(e,function(t,e){i=i.attr(t,e)}),n.e.append(i)}),n.e.on("loadedmetadata.ilb7",function(){n.l=!0}),g=g.add(n)}}),this.addToImageLightbox=function(t){P(t)},this.openHistory=function(){c()},this.loadPreviousImage=function(){m()},this.loadNextImage=function(){v()},this.quitImageLightbox=function(){return L(),this},this.startImageLightbox=function(t){t?t.trigger("click.ilb7"):F(this).trigger("click.ilb7")},this}}("object"==typeof module&&"object"==typeof module.exports?require("jquery"):jQuery,window,document);
\ No newline at end of file
+!function(F,M,D){"use strict";var R=F("<div/>").attr("class","imagelightbox-loading").append(F("<div/>")),t=F("<button/>",{type:"button",class:"imagelightbox-arrow imagelightbox-arrow-left"}),e=F("<button/>",{type:"button",class:"imagelightbox-arrow imagelightbox-arrow-right"}),z=t.add(e),X=F("<div/>",{class:"imagelightbox-caption",html:"&nbsp;"}),j=F("<button/>",{type:"button",class:"imagelightbox-close"}),N=F("<div/>",{class:"imagelightbox-overlay"}),U=F("<a/>",{href:"#",class:"imagelightbox-navitem"}),V=F("<div/>",{class:"imagelightbox-nav"}),K=F("<div/>",{class:"imagelightbox-wrapper"}),W=F("body"),o=function(){var t=D.body||D.documentElement;return""===(t=t.style).transition?"":""===t.WebkitTransition?"-webkit-":""===t.MozTransition?"-moz-":""===t.OTransition&&"-o-"},Y=!1!==o(),_=function(t,e,i){var n={},a=o();n[a+"transform"]="translateX("+e+") translateY(-50%)",n[a+"transition"]=a+"transform "+i+"s ease-in",t.css(n)},H="ontouchstart"in M,$=M.navigator.pointerEnabled||M.navigator.msPointerEnabled,B=function(t){if(H)return!0;if(!$||void 0===t||void 0===t.pointerType)return!1;if(void 0!==t.MSPOINTER_TYPE_MOUSE){if(t.MSPOINTER_TYPE_MOUSE!==t.pointerType)return!0}else if("mouse"!==t.pointerType)return!0;return!1},Q=!!(D.fullscreenEnabled||D.webkitFullscreenEnabled||D.mozFullScreenEnabled||D.msFullscreenEnabled),A=!(!M.history||!history.pushState);F.fn.imageLightbox=function(t){var i="",s=F([]),u=F(),d=F([]),r=-1,g=F(),f=0,h=!1,n=0,p=F.extend({selector:"a[data-imagelightbox]",id:"imagelightbox",allowedTypes:"png|jpg|jpeg|gif",animationSpeed:250,activity:!1,arrows:!1,button:!1,caption:!1,enableKeyboard:!0,history:!1,fullscreen:!1,gutter:10,offsetY:0,navigation:!1,overlay:!1,preloadNext:!0,quitOnEnd:!1,quitOnImgClick:!1,quitOnDocClick:!0,quitOnEscKey:!0},t),b=function(){p.activity&&y(),p.arrows&&z.css("display","block")},a=function(t,e,i){var n=e+"="+i,a="?"+n;if(t){var o=new RegExp("([?&])"+e+"=[^&]*");a=null!==t.match(o)?t.replace(o,"$1"+n):t+"&"+n}return a},o=function(){if(A&&p.history){var t=s[r].dataset.ilb2Id;t||(t=r);var e={imageLightboxIndex:t},i=s[r].dataset.imagelightbox;i&&(e.imageLightboxSet=i);var n=a(D.location.search,"imageLightboxIndex",t);i&&(n=a(n,"imageLightboxSet",i)),M.history.pushState(e,"",D.location.pathname+n)}},e=function(t,e){var i=t;if(i){var n=new RegExp("\\?"+e+"=[^&]*"),a=new RegExp("&"+e+"=[^&]*");i=(i=i.replace(n,"?")).replace(a,"")}return i},l=function(t){var e=new RegExp("[?&]"+t+"(=([^&#]*)|&|#|$)").exec(D.location.search);if(e&&e[2])return decodeURIComponent(e[2].replace(/\+/g," "))},c=function(){if(A&&p.history){var t=l("imageLightboxIndex");if(t){var e=s.filter('[data-ilb2-id="'+t+'"]');0<e.length?r=s.index(e):e=F(s[r=t]);var i=l("imageLightboxSet");!e[0]||i&&i!==e[0].dataset.imagelightbox||T(e,!0)}}},m=function(){if(--r<0){if(!0===p.quitOnEnd)return void L();r=s.length-1}u=s.eq(r),o(),K.trigger("previous.ilb2",u),O(1)},v=function(){if(++r>=s.length){if(!0===p.quitOnEnd)return void L();r=0}o(),u=s.eq(r),K.trigger("next.ilb2",u),O(-1)},x=function(){K.append(R)},y=function(){F(".imagelightbox-loading").remove()},E=function(){K.append(N)},w=function(){j.appendTo(K).on("click.ilb7",function(){return L(),!1})},S=function(){X.css("opacity","0"),X.html("&nbsp;"),F(u).data("ilb2-caption")?(X.css("opacity","1"),X.html(F(u).data("ilb2-caption"))):F(u).find("img").attr("alt")&&(X.css("opacity","1"),X.html(F(u).find("img").attr("alt")))},q=function(){if(s.length){for(var t=0;t<s.length;t++)V.append(U.clone());var e=V.children("a");e.eq(s.index(u)).addClass("active"),K.on("previous.ilb2 next.ilb2",function(){e.removeClass("active").eq(s.index(u)).addClass("active")}),K.append(V),V.on("click.ilb7 touchend.ilb7",function(){return!1}).on("click.ilb7 touchend.ilb7","a",function(){var t=F(this);if(s.eq(t.index()).attr("href")!==F(".imagelightbox").attr("src")){var e=s.eq(t.index());e.length&&(n=s.index(u),u=e,O(t.index()<n?-1:1))}t.addClass("active").siblings().removeClass("active")})}},I=function(){K.append(z),z.on("click.ilb7 touchend.ilb7",function(t){return t.stopImmediatePropagation(),t.preventDefault(),F(this).hasClass("imagelightbox-arrow-left")?m():v(),!1})},k=function(){if(!g.length)return!0;var t=p.caption?X.outerHeight():0,r=F(M).width(),l=F(M).height()-t,c=Math.abs(1-p.gutter/100);function e(t,e){if(r<t||l<e){var i=r/l<t/e?t/r:e/l;t/=i,e/=i}var n=e*c,a=t*c,o=(F(M).width()-a)/2;g.css({width:a+"px",height:n+"px",left:o+"px"})}if(void 0===g.get(0).videoWidth){var i=new Image;i.src=g.attr("src"),i.onload=function(){e(i.width,i.height)}}else e(g.get(0).videoWidth,g.get(0).videoHeight)},O=function(c){if(h)return!1;if(g.length){var t={opacity:0};Y?_(g,100*c-f+"px",p.animationSpeed/1e3):t.left=parseInt(g.css("left"))+100*c+"px",g.animate(t,p.animationSpeed,function(){C()}),f=0}h=!0,p.activity&&x(),p.caption&&S(),setTimeout(function(){var t,e,i=u.attr("href"),n=0,a=0,o=0,r=u.data("ilb2Video");function l(){var t={opacity:1};if(g.appendTo(K),k(),g.css("opacity",0),Y)_(g,-100*c+"px",0),setTimeout(function(){_(g,"0px",p.animationSpeed/1e3)},50);else{var e=parseInt(g.css("left"));t.left=e+"px",g.css("left",e-100*c+"px")}if(g.animate(t,p.animationSpeed,function(){h=!1,b()}),p.preloadNext){var i=s.eq(s.index(u)+1);i.length||(i=s.eq(0)),F("<img />").attr("src",i.attr("href"))}K.trigger("loaded.ilb2")}r?d.each(function(){this.i===u.data("ilb2VideoId")&&(t=this.l,e=this.e,this.a&&(!1===t&&e.attr("autoplay",this.a),!0===t&&e.get(0).play()))}):e=F("<img id='"+p.id+"' />").attr("src",i),g=e.on("load.ilb7",l).on("error.ilb7",function(){b()}).on($?"pointerup.ilb7 MSPointerUp.ilb7":"click.ilb7",function(t){if(t.preventDefault(),p.quitOnImgClick)return L(),!1;if(B(t.originalEvent))return!0;var e=(t.pageX||t.originalEvent.pageX)-t.target.offsetLeft;t.target.naturalWidth/2>e?m():v()}).on("touchstart.ilb7 pointerdown.ilb7 MSPointerDown.ilb7",function(t){if(!B(t.originalEvent)||p.quitOnImgClick)return!0;Y&&(o=parseInt(g.css("left"))),n=t.originalEvent.pageX||t.originalEvent.touches[0].pageX}).on("touchmove.ilb7 pointermove.ilb7 MSPointerMove.ilb7",function(t){if(!$&&"pointermove"===t.type||!B(t.originalEvent)||p.quitOnImgClick)return!0;t.preventDefault(),a=t.originalEvent.pageX||t.originalEvent.touches[0].pageX,f=n-a,Y?_(g,-f+"px",0):g.css("left",o-f+"px")}).on("touchend.ilb7 touchcancel.ilb7 pointerup.ilb7 pointercancel.ilb7 MSPointerUp.ilb7 MSPointerCancel.ilb7",function(t){if(!B(t.originalEvent)||p.quitOnImgClick)return!0;50<Math.abs(f)?f<0?m():v():Y?_(g,"0px",p.animationSpeed/1e3):g.animate({left:o+"px"},p.animationSpeed/2)}),!0===t&&l(),!1===t&&(g=g.on("loadedmetadata.ilb7",l))},p.animationSpeed+100)},C=function(){if(!g.length)return!1;g.remove(),g=F()},T=function(t,e){if(h)return!1;h=!1,u=t,r=s.index(u),e||o(),function(){p.arrows&&I(this),p.navigation&&q(),p.overlay&&E(),p.button&&w(),p.caption&&K.append(X)}(),W.append(K).addClass("imagelightbox-open"),K.trigger("start.ilb2",t),O(0)},L=function(t){if(r=-1,t||function(){if(A&&p.history){var t=e(D.location.search,"imageLightboxIndex");t=e(t,"imageLightboxSet"),M.history.pushState({},"",D.location.pathname+t)}}(),K.trigger("quit.ilb2"),W.removeClass("imagelightbox-open"),!g.length)return!1;g.animate({opacity:0},p.animationSpeed,function(){C(),h=!1,K.remove().find("*").remove()})},P=function(e){e.each(function(){s=e.add(F(this))}),e.on("click.ilb7",{set:i},function(t){t.preventDefault(),i=F(t.currentTarget).data("imagelightbox"),e.filter(function(){return F(this).data("imagelightbox")===i}).filter(function(){return function(t){return"a"===F(t).prop("tagName").toLowerCase()&&(new RegExp(".("+p.allowedTypes+")$","i").test(F(t).attr("href"))||F(t).data("ilb2Video"))}(F(this))}).each(function(){s=s.add(F(this))}),s.length<1?L():T(F(this))})};return F(M).on("resize.ilb7",k),A&&p.history&&F(M).on("popstate",function(t){var e=t.originalEvent.state;if(e){var i=e.imageLightboxIndex;if(void 0!==i){var n=s.filter('[data-ilb2-id="'+i+'"]');if(0<n.length)var a=s.index(n);else n=F(s[a=i]);if(n[0]&&(!e.imageLightboxSet||e.imageLightboxSet===n[0].dataset.imagelightbox))if(r<0)T(n,!0);else{var o=1;r<a&&(o=-1),u=n,r=a,O(o)}}else L(!0)}else L(!0)}),F(D).ready(function(){p.quitOnDocClick&&F(D).on(H?"touchend.ilb7":"click.ilb7",function(t){g.length&&!F(t.target).is(g)&&(t.preventDefault(),L())}),p.fullscreen&&Q&&F(D).on("keydown.ilb7",function(t){if(!g.length)return!0;-1<[9,32,38,40].indexOf(t.which)&&(t.stopPropagation(),t.preventDefault()),-1<[13].indexOf(t.which)&&(t.stopPropagation(),t.preventDefault(),function(){var t=M.document,e=D.getElementById(p.id).parentElement,i=e.requestFullscreen||e.mozRequestFullScreen||e.webkitRequestFullScreen||e.msRequestFullscreen,n=t.exitFullscreen||t.mozCancelFullScreen||t.webkitExitFullscreen||t.msExitFullscreen;t.fullscreenElement||t.mozFullScreenElement||t.webkitFullscreenElement||t.msFullscreenElement?n.call(t):i.call(e)}())}),p.enableKeyboard&&F(D).on("keydown.ilb7",function(t){if(!g.length)return!0;-1<[27].indexOf(t.which)&&p.quitOnEscKey&&(t.stopPropagation(),t.preventDefault(),L()),-1<[37].indexOf(t.which)&&(t.stopPropagation(),t.preventDefault(),m()),-1<[39].indexOf(t.which)&&(t.stopPropagation(),t.preventDefault(),v())})}),F(D).off("click",p.selector),P(F(this)),c(),s.each(function(){var t=F(this).data("ilb2Video");if(t){var e=F(this).data("ilb2Id");e||(e="a"+(65536*(1+Math.random())|0).toString(16)),F(this).data("ilb2VideoId",e);var n={e:F("<video id='"+p.id+"' preload='metadata'>"),i:e,l:!1,a:void 0};F.each(t,function(t,e){"autoplay"===t?n.a=e:"sources"!==t&&(n.e=n.e.attr(t,e))}),t.sources&&F.each(t.sources,function(t,e){var i=F("<source>");F.each(e,function(t,e){i=i.attr(t,e)}),n.e.append(i)}),n.e.on("loadedmetadata.ilb7",function(){n.l=!0}),d=d.add(n)}}),this.addToImageLightbox=function(t){P(t)},this.openHistory=function(){c()},this.loadPreviousImage=function(){m()},this.loadNextImage=function(){v()},this.quitImageLightbox=function(){return L(),this},this.startImageLightbox=function(t){t?t.trigger("click.ilb7"):F(this).trigger("click.ilb7")},this}}("object"==typeof module&&"object"==typeof module.exports?require("jquery"):jQuery,window,document);
\ No newline at end of file
diff --git a/docs/javascripts/imagelightbox.js b/docs/javascripts/imagelightbox.js
index 9a49015f..63b37887 100644
--- a/docs/javascripts/imagelightbox.js
+++ b/docs/javascripts/imagelightbox.js
@@ -324,10 +324,13 @@
                 });
             },
             captionReset = function () {
+                $captionObject.css('opacity', '0');
                 $captionObject.html('&nbsp;');
                 if ($(target).data('ilb2-caption')) {
+                    $captionObject.css('opacity', '1');
                     $captionObject.html($(target).data('ilb2-caption'));
-                } else if ($(target).find('img').length > 0) {
+                } else if ($(target).find('img').attr('alt')) {
+                    $captionObject.css('opacity', '1');
                     $captionObject.html($(target).find('img').attr('alt'));
                 }
             },
diff --git a/docs/stylesheets/imagelightbox.css b/docs/stylesheets/imagelightbox.css
index dc7774fc..8c16b532 100644
--- a/docs/stylesheets/imagelightbox.css
+++ b/docs/stylesheets/imagelightbox.css
@@ -118,6 +118,7 @@
     right: 0;
     bottom: 0;
     padding: 0.625em; /* 10 */
+    transition: opacity .25s ease;
 }
 
 /* WITH NAVIGATION */
diff --git a/src/imagelightbox.css b/src/imagelightbox.css
index dc7774fc..8c16b532 100644
--- a/src/imagelightbox.css
+++ b/src/imagelightbox.css
@@ -118,6 +118,7 @@
     right: 0;
     bottom: 0;
     padding: 0.625em; /* 10 */
+    transition: opacity .25s ease;
 }
 
 /* WITH NAVIGATION */
diff --git a/src/imagelightbox.js b/src/imagelightbox.js
index 9a49015f..63b37887 100644
--- a/src/imagelightbox.js
+++ b/src/imagelightbox.js
@@ -324,10 +324,13 @@
                 });
             },
             captionReset = function () {
+                $captionObject.css('opacity', '0');
                 $captionObject.html('&nbsp;');
                 if ($(target).data('ilb2-caption')) {
+                    $captionObject.css('opacity', '1');
                     $captionObject.html($(target).data('ilb2-caption'));
-                } else if ($(target).find('img').length > 0) {
+                } else if ($(target).find('img').attr('alt')) {
+                    $captionObject.css('opacity', '1');
                     $captionObject.html($(target).find('img').attr('alt'));
                 }
             },