diff --git a/lib/plugins/zoom-image.js b/lib/plugins/zoom-image.js
index b821575d6..c844203d6 100644
--- a/lib/plugins/zoom-image.js
+++ b/lib/plugins/zoom-image.js
@@ -1,11 +1,21 @@
 (function () {
 /*
- * medium-zoom v0.3.0
+ * medium-zoom v0.4.0
  * Medium zoom on your images in vanilla JavaScript
- * Copyright 2017 Francois Chalifour
+ * Copyright 2018 Francois Chalifour
  * https://github.com/francoischalifour/medium-zoom
  * MIT License
- */function __$styleInject(a,b){if('undefined'==typeof document){ return b; }a=a||'';var c=document.head||document.getElementsByTagName('head')[0],d=document.createElement('style');return d.type='text/css', c.appendChild(d), d.styleSheet?d.styleSheet.cssText=a:d.appendChild(document.createTextNode(a)), b}var _extends=Object.assign||function(a){for(var b,c=1;c<arguments.length;c++){ for(var d in b=arguments[c], b){ Object.prototype.hasOwnProperty.call(b,d)&&(a[d]=b[d]); } }return a}; var toConsumableArray=function(a){if(Array.isArray(a)){for(var b=0,c=Array(a.length);b<a.length;b++){ c[b]=a[b]; }return c}return Array.from(a)}; var SUPPORTED_FORMATS=['IMG']; var KEY_ESC=27; var KEY_Q=81; var CANCEL_KEYS=[KEY_ESC,KEY_Q]; var isSupported=function(a){return SUPPORTED_FORMATS.includes(a.tagName)}; var isScaled=function(a){return a.naturalWidth!==a.width}; var isListOrCollection=function(a){return NodeList.prototype.isPrototypeOf(a)||HTMLCollection.prototype.isPrototypeOf(a)}; var isNode=function(a){return a&&1===a.nodeType}; var mediumZoom=function(a){var b=1<arguments.length&&void 0!==arguments[1]?arguments[1]:{},c=b.margin,d=void 0===c?0:c,e=b.background,f=void 0===e?'#fff':e,g=b.scrollOffset,h=void 0===g?48:g,i=b.metaClick,j=b.container,k=b.template,l=function(a){var b=a.getBoundingClientRect(),c=b.top,d=b.left,e=b.width,f=b.height,g=a.cloneNode(),h=window.pageYOffset||document.documentElement.scrollTop||document.body.scrollTop||0,i=window.pageXOffset||document.documentElement.scrollLeft||document.body.scrollLeft||0;return g.removeAttribute('id'), g.style.position='absolute', g.style.top=c+h+'px', g.style.left=d+i+'px', g.style.width=e+'px', g.style.height=f+'px', g.style.transform='', g},m=function(){if(y.original){if(y.original.dispatchEvent(new Event('show')), z=window.pageYOffset||document.documentElement.scrollTop||document.body.scrollTop||0, A=!0, y.zoomed=l(y.original), document.body.appendChild(x), v.template){var a=isNode(v.template)?v.template:document.querySelector(v.template);y.template=document.createElement('div'), y.template.appendChild(a.content.cloneNode(!0)), document.body.appendChild(y.template);}if(document.body.appendChild(y.zoomed), requestAnimationFrame(function(){document.body.classList.add('medium-zoom--open');}), y.original.style.visibility='hidden', y.zoomed.classList.add('medium-zoom-image--open'), y.zoomed.addEventListener('click',n), y.zoomed.addEventListener('transitionend',q), y.original.getAttribute('data-zoom-target')){y.zoomedHd=y.zoomed.cloneNode(), y.zoomedHd.src=y.zoomed.getAttribute('data-zoom-target'), y.zoomedHd.onerror=function(){clearInterval(b), console.error('Unable to reach the zoom image target '+y.zoomedHd.src), y.zoomedHd=null, u();};var b=setInterval(function(){y.zoomedHd.naturalWidth&&(clearInterval(b), y.zoomedHd.classList.add('medium-zoom-image--open'), y.zoomedHd.addEventListener('click',n), document.body.appendChild(y.zoomedHd), u());},10);}else { u(); }}},n=function a(){var b=0<arguments.length&&void 0!==arguments[0]?arguments[0]:0,c=function(){A||!y.original||(y.original.dispatchEvent(new Event('hide')), A=!0, document.body.classList.remove('medium-zoom--open'), y.zoomed.style.transform='', y.zoomedHd&&(y.zoomedHd.style.transform='', y.zoomedHd.removeEventListener('click',a)), y.template&&(y.template.style.transition='opacity 150ms', y.template.style.opacity=0), y.zoomed.removeEventListener('click',a), y.zoomed.addEventListener('transitionend',r));};0<b?setTimeout(c,b):c();},o=function(a){a&&a.target?(y.original=a.target, m()):y.original?n():(y.original=w[0], m());},p=function(a){return(a.metaKey||a.ctrlKey)&&v.metaClick?window.open(a.target.getAttribute('data-original')||a.target.parentNode.href||a.target.src,'_blank'):void(a.preventDefault(), o(a))},q=function a(){A=!1, y.zoomed.removeEventListener('transitionend',a), y.original.dispatchEvent(new Event('shown'));},r=function a(){y.original&&(y.original.style.visibility='', document.body.removeChild(y.zoomed), y.zoomedHd&&document.body.removeChild(y.zoomedHd), document.body.removeChild(x), y.zoomed.classList.remove('medium-zoom-image--open'), y.template&&document.body.removeChild(y.template), A=!1, y.zoomed.removeEventListener('transitionend',a), y.original.dispatchEvent(new Event('hidden')), y.original=null, y.zoomed=null, y.zoomedHd=null, y.template=null);},s=function(){if(!A&&y.original){var a=window.pageYOffset||document.documentElement.scrollTop||document.body.scrollTop||0;Math.abs(z-a)>v.scrollOffset&&n(150);}},t=function(a){CANCEL_KEYS.includes(a.keyCode||a.which)&&n();},u=function(){var a=Math.min;if(y.original){var b,c,d={width:window.innerWidth,height:window.innerHeight,left:0,top:0,right:0,bottom:0};if(v.container){ if(v.container instanceof Object){ _extends(d,v.container), b=d.width-d.left-d.right-2*v.margin, c=d.height-d.top-d.bottom-2*v.margin; }else{var e=isNode(v.container)?v.container:document.querySelector(v.container),f=e.getBoundingClientRect(),g=f.width,h=f.height,i=f.left,j=f.top;_extends(d,{width:g,height:h,left:i,top:j});} }b=b||d.width-2*v.margin, c=c||d.height-2*v.margin;var k=y.zoomedHd||y.original,l=k.naturalWidth,m=void 0===l?b:l,n=k.naturalHeight,o=void 0===n?c:n,p=k.getBoundingClientRect(),q=p.top,r=p.left,s=p.width,t=p.height,u=a(m,b)/s,w=a(o,c)/t,x=a(u,w)||1,z=(-r+(b-s)/2+v.margin+d.left)/x,A=(-q+(c-t)/2+v.margin+d.top)/x,B='scale('+x+') translate3d('+z+'px, '+A+'px, 0)';y.zoomed.style.transform=B, y.zoomedHd&&(y.zoomedHd.style.transform=B);}},v={margin:d,background:f,scrollOffset:h,metaClick:void 0===i||i,container:j,template:k};a instanceof Object&&_extends(v,a);var w=function(a){try{return Array.isArray(a)?a.filter(isSupported):isListOrCollection(a)?[].concat(toConsumableArray(a)).filter(isSupported):isNode(a)?[a].filter(isSupported):'string'==typeof a?[].concat(toConsumableArray(document.querySelectorAll(a))).filter(isSupported):[].concat(toConsumableArray(document.querySelectorAll(SUPPORTED_FORMATS.map(function(a){return a.toLowerCase()}).join(',')))).filter(isScaled)}catch(a){throw new TypeError('The provided selector is invalid.\nExpects a CSS selector, a Node element, a NodeList, an HTMLCollection or an array.\nSee: https://github.com/francoischalifour/medium-zoom')}}(a),x=function(a){var b=document.createElement('div');return b.classList.add('medium-zoom-overlay'), b.style.backgroundColor=a, b}(v.background),y={original:null,zoomed:null,zoomedHd:null,template:null},z=0,A=!1;return w.forEach(function(a){a.classList.add('medium-zoom-image'), a.addEventListener('click',p);}), x.addEventListener('click',n), document.addEventListener('scroll',s), document.addEventListener('keyup',t), window.addEventListener('resize',n), {show:o,hide:n,toggle:o,update:function(){var a=0<arguments.length&&void 0!==arguments[0]?arguments[0]:{};return a.background&&(x.style.backgroundColor=a.background), a.container&&a.container instanceof Object&&(a.container=_extends({},v.container,a.container)), _extends(v,a)},addEventListeners:function(a,b){w.forEach(function(c){c.addEventListener(a,b);});},detach:function(){var a=function a(){var b=new Event('detach');w.forEach(function(a){a.classList.remove('medium-zoom-image'), a.removeEventListener('click',p), a.dispatchEvent(b);}), w.splice(0,w.length), x.removeEventListener('click',n), document.removeEventListener('scroll',s), document.removeEventListener('keyup',t), window.removeEventListener('resize',n), y.zoomed&&y.zoomed.removeEventListener('transitionend',a);};y.zoomed?(n(), y.zoomed.addEventListener('transitionend',requestAnimationFrame(a))):a();},images:w,options:v}}; var mediumZoom$2=Object.freeze({default:mediumZoom});__$styleInject('.medium-zoom-overlay{position:fixed;top:0;right:0;bottom:0;left:0;opacity:0;transition:opacity .3s;will-change:opacity}.medium-zoom--open .medium-zoom-overlay{cursor:pointer;cursor:zoom-out;opacity:1}.medium-zoom-image{cursor:pointer;cursor:zoom-in;transition:transform .3s}.medium-zoom-image--open{position:relative;cursor:pointer;cursor:zoom-out;will-change:transform}',void 0);var mediumZoom$4=mediumZoom$2&&mediumZoom||mediumZoom$2; var src=mediumZoom$4;
+ */var _extends=Object.assign||function(a){for(var b,c=1;c<arguments.length;c++){ for(var d in b=arguments[c], b){ Object.prototype.hasOwnProperty.call(b,d)&&(a[d]=b[d]); } }return a};
+ var SUPPORTED_FORMATS=['IMG'];
+ var KEY_ESC=27;
+ var KEY_Q=81;
+ var CANCEL_KEYS=[KEY_ESC,KEY_Q];
+ var isSupported=function(a){return-1<SUPPORTED_FORMATS.indexOf(a.tagName)};
+ var isScaled=function(a){return a.naturalWidth!==a.width};
+ var isListOrCollection=function(a){return NodeList.prototype.isPrototypeOf(a)||HTMLCollection.prototype.isPrototypeOf(a)};
+ var isNode=function(a){return a&&1===a.nodeType};
+ var mediumZoom=function(a){var b=1<arguments.length&&void 0!==arguments[1]?arguments[1]:{},c=b.margin,d=void 0===c?0:c,e=b.background,f=void 0===e?'#fff':e,g=b.scrollOffset,h=void 0===g?48:g,i=b.metaClick,j=b.container,k=b.template,l=function(a){var b=a.getBoundingClientRect(),c=b.top,d=b.left,e=b.width,f=b.height,g=a.cloneNode(),h=window.pageYOffset||document.documentElement.scrollTop||document.body.scrollTop||0,i=window.pageXOffset||document.documentElement.scrollLeft||document.body.scrollLeft||0;return g.removeAttribute('id'), g.style.position='absolute', g.style.top=c+h+'px', g.style.left=d+i+'px', g.style.width=e+'px', g.style.height=f+'px', g.style.transform='', g},m=function(a){var b=1<arguments.length&&void 0!==arguments[1]?arguments[1]:{bubbles:!1,cancelable:!1,detail:void 0};if('function'==typeof window.CustomEvent){ return new CustomEvent(a,b); }var c=document.createEvent('CustomEvent');return c.initCustomEvent(a,b.bubbles,b.cancelable,b.detail), c},n=function(){if(z.original){if(z.original.dispatchEvent(m('show')), A=window.pageYOffset||document.documentElement.scrollTop||document.body.scrollTop||0, B=!0, z.zoomed=l(z.original), document.body.appendChild(y), w.template){var a=isNode(w.template)?w.template:document.querySelector(w.template);z.template=document.createElement('div'), z.template.appendChild(a.content.cloneNode(!0)), document.body.appendChild(z.template);}if(document.body.appendChild(z.zoomed), requestAnimationFrame(function(){document.body.classList.add('medium-zoom--open');}), z.original.style.visibility='hidden', z.zoomed.classList.add('medium-zoom-image--open'), z.zoomed.addEventListener('click',o), z.zoomed.addEventListener('transitionend',r), z.original.getAttribute('data-zoom-target')){z.zoomedHd=z.zoomed.cloneNode(), z.zoomedHd.src=z.zoomed.getAttribute('data-zoom-target'), z.zoomedHd.onerror=function(){clearInterval(b), console.error('Unable to reach the zoom image target '+z.zoomedHd.src), z.zoomedHd=null, v();};var b=setInterval(function(){z.zoomedHd.naturalWidth&&(clearInterval(b), z.zoomedHd.classList.add('medium-zoom-image--open'), z.zoomedHd.addEventListener('click',o), document.body.appendChild(z.zoomedHd), v());},10);}else { v(); }}},o=function a(){var b=0<arguments.length&&void 0!==arguments[0]?arguments[0]:0,c=function(){B||!z.original||(z.original.dispatchEvent(m('hide')), B=!0, document.body.classList.remove('medium-zoom--open'), z.zoomed.style.transform='', z.zoomedHd&&(z.zoomedHd.style.transform='', z.zoomedHd.removeEventListener('click',a)), z.template&&(z.template.style.transition='opacity 150ms', z.template.style.opacity=0), z.zoomed.removeEventListener('click',a), z.zoomed.addEventListener('transitionend',s));};0<b?setTimeout(c,b):c();},p=function(a){a&&a.target?(z.original=a.target, n()):z.original?o():(z.original=x[0], n());},q=function(a){return(a.metaKey||a.ctrlKey)&&w.metaClick?window.open(a.target.getAttribute('data-original')||a.target.parentNode.href||a.target.src,'_blank'):void(a.preventDefault(), p(a))},r=function a(){B=!1, z.zoomed.removeEventListener('transitionend',a), z.original.dispatchEvent(m('shown'));},s=function a(){z.original&&(z.original.style.visibility='', document.body.removeChild(z.zoomed), z.zoomedHd&&document.body.removeChild(z.zoomedHd), document.body.removeChild(y), z.zoomed.classList.remove('medium-zoom-image--open'), z.template&&document.body.removeChild(z.template), B=!1, z.zoomed.removeEventListener('transitionend',a), z.original.dispatchEvent(m('hidden')), z.original=null, z.zoomed=null, z.zoomedHd=null, z.template=null);},t=function(){if(!B&&z.original){var a=window.pageYOffset||document.documentElement.scrollTop||document.body.scrollTop||0;Math.abs(A-a)>w.scrollOffset&&o(150);}},u=function(a){-1<CANCEL_KEYS.indexOf(a.keyCode||a.which)&&o();},v=function(){var a=Math.min;if(z.original){var b,c,d={width:window.innerWidth,height:window.innerHeight,left:0,top:0,right:0,bottom:0};if(w.container){ if(w.container instanceof Object){ _extends(d,w.container), b=d.width-d.left-d.right-2*w.margin, c=d.height-d.top-d.bottom-2*w.margin; }else{var e=isNode(w.container)?w.container:document.querySelector(w.container),f=e.getBoundingClientRect(),g=f.width,h=f.height,i=f.left,j=f.top;_extends(d,{width:g,height:h,left:i,top:j});} }b=b||d.width-2*w.margin, c=c||d.height-2*w.margin;var k=z.zoomedHd||z.original,l=k.naturalWidth,m=void 0===l?b:l,n=k.naturalHeight,o=void 0===n?c:n,p=k.getBoundingClientRect(),q=p.top,r=p.left,s=p.width,t=p.height,u=a(m,b)/s,v=a(o,c)/t,x=a(u,v)||1,y=(-r+(b-s)/2+w.margin+d.left)/x,A=(-q+(c-t)/2+w.margin+d.top)/x,B='scale('+x+') translate3d('+y+'px, '+A+'px, 0)';z.zoomed.style.transform=B, z.zoomedHd&&(z.zoomedHd.style.transform=B);}},w={margin:d,background:f,scrollOffset:h,metaClick:void 0===i||i,container:j,template:k};a instanceof Object&&_extends(w,a);var x=function(a){try{return Array.isArray(a)?a.filter(isSupported):isListOrCollection(a)?Array.apply(null,a).filter(isSupported):isNode(a)?[a].filter(isSupported):'string'==typeof a?Array.apply(null,document.querySelectorAll(a)).filter(isSupported):Array.apply(null,document.querySelectorAll(SUPPORTED_FORMATS.map(function(a){return a.toLowerCase()}).join(','))).filter(isScaled)}catch(a){throw new TypeError('The provided selector is invalid.\nExpects a CSS selector, a Node element, a NodeList, an HTMLCollection or an array.\nSee: https://github.com/francoischalifour/medium-zoom')}}(a),y=function(a){var b=document.createElement('div');return b.classList.add('medium-zoom-overlay'), b.style.backgroundColor=a, b}(w.background),z={original:null,zoomed:null,zoomedHd:null,template:null},A=0,B=!1;return x.forEach(function(a){a.classList.add('medium-zoom-image'), a.addEventListener('click',q);}), y.addEventListener('click',o), document.addEventListener('scroll',t), document.addEventListener('keyup',u), window.addEventListener('resize',o), {show:p,hide:o,toggle:p,update:function(){var a=0<arguments.length&&void 0!==arguments[0]?arguments[0]:{};return a.background&&(y.style.backgroundColor=a.background), a.container&&a.container instanceof Object&&(a.container=_extends({},w.container,a.container)), _extends(w,a)},addEventListeners:function(a,b){x.forEach(function(c){c.addEventListener(a,b);});},detach:function(){z.zoomed&&o();var a=m('detach');x.forEach(function(b){b.classList.remove('medium-zoom-image'), b.removeEventListener('click',q), b.dispatchEvent(a);}), x.splice(0,x.length), y.removeEventListener('click',o), document.removeEventListener('scroll',t), document.removeEventListener('keyup',u), window.removeEventListener('resize',o);},images:x,options:w}};
+ var mediumZoom$1=Object.freeze({default:mediumZoom});function styleInject(a,b){void 0===b&&(b={});var c=b.insertAt;if(a&&'undefined'!=typeof document){var d=document.head||document.getElementsByTagName('head')[0],e=document.createElement('style');e.type='text/css', 'top'===c?d.firstChild?d.insertBefore(e,d.firstChild):d.appendChild(e):d.appendChild(e), e.styleSheet?e.styleSheet.cssText=a:e.appendChild(document.createTextNode(a));}}var css='.medium-zoom-overlay{position:fixed;top:0;right:0;bottom:0;left:0;opacity:0;transition:opacity .3s;will-change:opacity}.medium-zoom--open .medium-zoom-overlay{cursor:pointer;cursor:zoom-out;opacity:1}.medium-zoom-image{cursor:pointer;cursor:zoom-in;transition:transform .3s}.medium-zoom-image--open{position:relative;cursor:pointer;cursor:zoom-out;will-change:transform}';styleInject(css);var mediumZoom$2=mediumZoom$1&&mediumZoom||mediumZoom$1; var src=mediumZoom$2;
 
 function install(hook) {
   var zoom;
diff --git a/lib/plugins/zoom-image.min.js b/lib/plugins/zoom-image.min.js
index cc24140f4..c9b8148ab 100644
--- a/lib/plugins/zoom-image.min.js
+++ b/lib/plugins/zoom-image.min.js
@@ -1 +1 @@
-!function(){var e=Object.assign||function(e){for(var t,o=1;o<arguments.length;o++)for(var n in t=arguments[o],t)Object.prototype.hasOwnProperty.call(t,n)&&(e[n]=t[n]);return e},t=function(e){if(Array.isArray(e)){for(var t=0,o=Array(e.length);t<e.length;t++)o[t]=e[t];return o}return Array.from(e)},o=["IMG"],n=[27,81],i=function(e){return o.includes(e.tagName)},r=function(e){return e.naturalWidth!==e.width},d=function(e){return e&&1===e.nodeType},a=function(a){var l=1<arguments.length&&void 0!==arguments[1]?arguments[1]:{},c=l.margin,m=void 0===c?0:c,s=l.background,u=void 0===s?"#fff":s,f=l.scrollOffset,p=void 0===f?48:f,g=l.metaClick,v=l.container,h=l.template,y=function(){if(x.original){if(x.original.dispatchEvent(new Event("show")),N=window.pageYOffset||document.documentElement.scrollTop||document.body.scrollTop||0,S=!0,x.zoomed=function(e){var t=e.getBoundingClientRect(),o=t.top,n=t.left,i=t.width,r=t.height,d=e.cloneNode(),a=window.pageYOffset||document.documentElement.scrollTop||document.body.scrollTop||0,l=window.pageXOffset||document.documentElement.scrollLeft||document.body.scrollLeft||0;return d.removeAttribute("id"),d.style.position="absolute",d.style.top=o+a+"px",d.style.left=n+l+"px",d.style.width=i+"px",d.style.height=r+"px",d.style.transform="",d}(x.original),document.body.appendChild(A),O.template){var e=d(O.template)?O.template:document.querySelector(O.template);x.template=document.createElement("div"),x.template.appendChild(e.content.cloneNode(!0)),document.body.appendChild(x.template)}if(document.body.appendChild(x.zoomed),requestAnimationFrame(function(){document.body.classList.add("medium-zoom--open")}),x.original.style.visibility="hidden",x.zoomed.classList.add("medium-zoom-image--open"),x.zoomed.addEventListener("click",z),x.zoomed.addEventListener("transitionend",b),x.original.getAttribute("data-zoom-target")){x.zoomedHd=x.zoomed.cloneNode(),x.zoomedHd.src=x.zoomed.getAttribute("data-zoom-target"),x.zoomedHd.onerror=function(){clearInterval(t),console.error("Unable to reach the zoom image target "+x.zoomedHd.src),x.zoomedHd=null,k()};var t=setInterval(function(){x.zoomedHd.naturalWidth&&(clearInterval(t),x.zoomedHd.classList.add("medium-zoom-image--open"),x.zoomedHd.addEventListener("click",z),document.body.appendChild(x.zoomedHd),k())},10)}else k()}},z=function e(){var t=0<arguments.length&&void 0!==arguments[0]?arguments[0]:0,o=function(){S||!x.original||(x.original.dispatchEvent(new Event("hide")),S=!0,document.body.classList.remove("medium-zoom--open"),x.zoomed.style.transform="",x.zoomedHd&&(x.zoomedHd.style.transform="",x.zoomedHd.removeEventListener("click",e)),x.template&&(x.template.style.transition="opacity 150ms",x.template.style.opacity=0),x.zoomed.removeEventListener("click",e),x.zoomed.addEventListener("transitionend",L))};0<t?setTimeout(o,t):o()},E=function(e){e&&e.target?(x.original=e.target,y()):x.original?z():(x.original=T[0],y())},w=function(e){return(e.metaKey||e.ctrlKey)&&O.metaClick?window.open(e.target.getAttribute("data-original")||e.target.parentNode.href||e.target.src,"_blank"):(e.preventDefault(),void E(e))},b=function e(){S=!1,x.zoomed.removeEventListener("transitionend",e),x.original.dispatchEvent(new Event("shown"))},L=function e(){x.original&&(x.original.style.visibility="",document.body.removeChild(x.zoomed),x.zoomedHd&&document.body.removeChild(x.zoomedHd),document.body.removeChild(A),x.zoomed.classList.remove("medium-zoom-image--open"),x.template&&document.body.removeChild(x.template),S=!1,x.zoomed.removeEventListener("transitionend",e),x.original.dispatchEvent(new Event("hidden")),x.original=null,x.zoomed=null,x.zoomedHd=null,x.template=null)},C=function(){if(!S&&x.original){var e=window.pageYOffset||document.documentElement.scrollTop||document.body.scrollTop||0;Math.abs(N-e)>O.scrollOffset&&z(150)}},H=function(e){n.includes(e.keyCode||e.which)&&z()},k=function(){var t=Math.min;if(x.original){var o,n,i={width:window.innerWidth,height:window.innerHeight,left:0,top:0,right:0,bottom:0};if(O.container)if(O.container instanceof Object)e(i,O.container),o=i.width-i.left-i.right-2*O.margin,n=i.height-i.top-i.bottom-2*O.margin;else{var r=(d(O.container)?O.container:document.querySelector(O.container)).getBoundingClientRect(),a=r.width,l=r.height,c=r.left,m=r.top;e(i,{width:a,height:l,left:c,top:m})}o=o||i.width-2*O.margin,n=n||i.height-2*O.margin;var s=x.zoomedHd||x.original,u=s.naturalWidth,f=void 0===u?o:u,p=s.naturalHeight,g=void 0===p?n:p,v=s.getBoundingClientRect(),h=v.top,y=v.left,z=v.width,E=v.height,w=t(t(f,o)/z,t(g,n)/E)||1,b="scale("+w+") translate3d("+((o-z)/2-y+O.margin+i.left)/w+"px, "+((n-E)/2-h+O.margin+i.top)/w+"px, 0)";x.zoomed.style.transform=b,x.zoomedHd&&(x.zoomedHd.style.transform=b)}},O={margin:m,background:u,scrollOffset:p,metaClick:void 0===g||g,container:v,template:h};a instanceof Object&&e(O,a);var T=function(e){try{return Array.isArray(e)?e.filter(i):(n=e,NodeList.prototype.isPrototypeOf(n)||HTMLCollection.prototype.isPrototypeOf(n)?[].concat(t(e)).filter(i):d(e)?[e].filter(i):"string"==typeof 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+!function(){var e=Object.assign||function(e){for(var t,o=1;o<arguments.length;o++)for(var n in t=arguments[o],t)Object.prototype.hasOwnProperty.call(t,n)&&(e[n]=t[n]);return e},t=["IMG"],o=[27,81],n=function(e){return-1<t.indexOf(e.tagName)},i=function(e){return e.naturalWidth!==e.width},r=function(e){return e&&1===e.nodeType},d=function(d){var a=1<arguments.length&&void 0!==arguments[1]?arguments[1]:{},l=a.margin,c=void 0===l?0:l,m=a.background,s=void 0===m?"#fff":m,u=a.scrollOffset,p=void 0===u?48:u,f=a.metaClick,v=a.container,g=a.template,h=function(e){var t=1<arguments.length&&void 0!==arguments[1]?arguments[1]:{bubbles:!1,cancelable:!1,detail:void 0};if("function"==typeof window.CustomEvent)return new CustomEvent(e,t);var o=document.createEvent("CustomEvent");return 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diff --git a/package-lock.json b/package-lock.json
index a0617498b..e90819edb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2915,8 +2915,7 @@
         "jsbn": {
           "version": "0.1.1",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "json-schema": {
           "version": "0.2.3",
@@ -3334,8 +3333,7 @@
         "tweetnacl": {
           "version": "0.14.5",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "uid-number": {
           "version": "0.0.6",
@@ -5021,9 +5019,9 @@
       "dev": true
     },
     "medium-zoom": {
-      "version": "0.3.0",
-      "resolved": "https://registry.npmjs.org/medium-zoom/-/medium-zoom-0.3.0.tgz",
-      "integrity": "sha512-26CJAykAcm1IYx2XjUB04dmZ7iRLtyTDKZSrm5kEqHJWVMo7pafUZEPcRGvYCNWW4f1utlEOzbtbaOvwNg7g1g=="
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/medium-zoom/-/medium-zoom-0.4.0.tgz",
+      "integrity": "sha512-0z7yMfd6I1BTCAa8QaR4cp5AqDkQD571GzhHIbbfefKEssGLSvs+4Xai/itOAncm4FBlF5gUoMQ22yW9/f8Sig=="
     },
     "mem": {
       "version": "1.1.0",
diff --git a/package.json b/package.json
index b78b608ec..6855f8f89 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
   },
   "dependencies": {
     "marked": "^0.3.12",
-    "medium-zoom": "^0.3.0",
+    "medium-zoom": "^0.4.0",
     "opencollective": "^1.0.3",
     "prismjs": "^1.9.0",
     "tinydate": "^1.0.0",