diff --git a/bower.json b/bower.json
index cd9cb4c4d..e00c190d7 100644
--- a/bower.json
+++ b/bower.json
@@ -1,7 +1,7 @@
 {
   "name": "shepherd",
   "main": "shepherd.js",
-  "version": "0.4.6",
+  "version": "0.4.7",
   "homepage": "https://github.com/HubSpot/shepherd",
   "authors": [
     "Zack Bloom <zackbloom@gmail.com>",
diff --git a/css/shepherd-theme-arrows-plain-buttons.css b/css/shepherd-theme-arrows-plain-buttons.css
index cd40abe9f..322367be2 100644
--- a/css/shepherd-theme-arrows-plain-buttons.css
+++ b/css/shepherd-theme-arrows-plain-buttons.css
@@ -123,8 +123,6 @@
   border-bottom-color: #eeeeee; }
 .shepherd-element.shepherd-theme-arrows-plain-buttons .shepherd-content {
   padding: 0; }
-  .shepherd-element.shepherd-theme-arrows-plain-buttons .shepherd-content * {
-    font-size: inherit; }
   .shepherd-element.shepherd-theme-arrows-plain-buttons .shepherd-content header {
     -webkit-border-radius: 5px 5px 0 0;
     -moz-border-radius: 5px 5px 0 0;
diff --git a/package.json b/package.json
index ce3323308..18e742d2e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "shepherd",
-  "version": "0.4.6",
+  "version": "0.4.7",
   "description": "Guide your users through a tour of your app.",
   "authors": [
     "Adam Schwartz <adam.flynn.schwartz@gmail.com>",
diff --git a/sass/shepherd-theme-arrows-plain-buttons.sass b/sass/shepherd-theme-arrows-plain-buttons.sass
index fe8ddfd33..d08499743 100644
--- a/sass/shepherd-theme-arrows-plain-buttons.sass
+++ b/sass/shepherd-theme-arrows-plain-buttons.sass
@@ -34,9 +34,6 @@ $headerBackgroundColor: #eee
     .#{ $themePrefix }-content
         padding: 0
 
-        *
-            font-size: inherit
-
         header
             +border-radius(5px 5px 0 0)
             background: $headerBackgroundColor
diff --git a/shepherd.js b/shepherd.js
index de8b87ca5..4cc0f31fd 100644
--- a/shepherd.js
+++ b/shepherd.js
@@ -1,4 +1,4 @@
-/*! shepherd 0.4.5 */
+/*! shepherd 0.4.7 */
 /*! tether 0.6.5 */
 
 
diff --git a/shepherd.min.js b/shepherd.min.js
index 5c1317fc4..0bbd94182 100644
--- a/shepherd.min.js
+++ b/shepherd.min.js
@@ -1,2 +1,2 @@
-/*! shepherd 0.4.5 */
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t=document.createElement("div"),t.style.width="100%",t.style.height="200px",e=document.createElement("div"),n(e.style,{position:"absolute",top:0,left:0,pointerEvents:"none",visibility:"hidden",width:"200px",height:"150px",overflow:"hidden"}),e.appendChild(t),document.body.appendChild(e),i=t.offsetWidth,e.style.overflow="scroll",s=t.offsetWidth,i===s&&(s=e.clientWidth),document.body.removeChild(e),o=i-s,{width:o,height:o}},n=function(t){var e,o,i,n,s,r,h;for(null==t&&(t={}),e=[],Array.prototype.push.apply(e,arguments),h=e.slice(1),s=0,r=h.length;r>s;s++)if(i=h[s])for(o in i)v.call(i,o)&&(n=i[o],t[o]=n);return t},d=function(t,e){var o,i,n,s,r;if(null!=t.classList){for(s=e.split(" "),r=[],i=0,n=s.length;n>i;i++)o=s[i],o.trim()&&r.push(t.classList.remove(o));return r}return t.className=t.className.replace(new RegExp("(^| )"+e.split(" ").join("|")+"( |$)","gi")," ")},e=function(t,e){var o,i,n,s,r;if(null!=t.classList){for(s=e.split(" "),r=[],i=0,n=s.length;n>i;i++)o=s[i],o.trim()&&r.push(t.classList.add(o));return r}return d(t,e),t.className+=" "+e},u=function(t,e){return null!=t.classList?t.classList.contains(e):new RegExp("(^| )"+e+"( |$)","gi").test(t.className)},g=function(t,o,i){var n,s,r,h,l,a;for(s=0,h=i.length;h>s;s++)n=i[s],b.call(o,n)<0&&u(t,n)&&d(t,n);for(a=[],r=0,l=o.length;l>r;r++)n=o[r],a.push(u(t,n)?void 0:e(t,n));return a},i=[],o=function(t){return i.push(t)},s=function(){var t,e;for(e=[];t=i.pop();)e.push(t());return e},t=function(){function t(){}return t.prototype.on=function(t,e,o,i){var n;return null==i&&(i=!1),null==this.bindings&&(this.bindings={}),null==(n=this.bindings)[t]&&(n[t]=[]),this.bindings[t].push({handler:e,ctx:o,once:i})},t.prototype.once=function(t,e,o){return this.on(t,e,o,!0)},t.prototype.off=function(t,e){var o,i,n;if(null!=(null!=(i=this.bindings)?i[t]:void 0)){if(null==e)return delete 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null==t&&(t=!0),n(this.target,this.getClass("enabled")),n(this.element,this.getClass("enabled")),this.enabled=!0,this.scrollParent!==document&&this.scrollParent.addEventListener("scroll",this.position),t?this.position():void 0},t.prototype.disable=function(){return T(this.target,this.getClass("enabled")),T(this.element,this.getClass("enabled")),this.enabled=!1,null!=this.scrollParent?this.scrollParent.removeEventListener("scroll",this.position):void 0},t.prototype.destroy=function(){var t,e,o,i,n;for(this.disable(),n=[],t=o=0,i=O.length;i>o;t=++o){if(e=O[t],e===this){O.splice(t,1);break}n.push(void 0)}return n},t.prototype.updateAttachClasses=function(t,e){var o,i,n,s,r,h,a,p,u,f=this;for(null==t&&(t=this.attachment),null==e&&(e=this.targetAttachment),s=["left","top","bottom","right","middle","center"],(null!=(u=this._addAttachClasses)?u.length:void 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x){if(x===!1)return!1;P=x.top,l=x.left}if(m={page:{top:P,left:l},viewport:{top:P-pageYOffset,bottom:pageYOffset-P-n+innerHeight,left:l-pageXOffset,right:pageXOffset-l-z+innerWidth}},document.body.scrollWidth>window.innerWidth&&(A=this.cache("scrollbar-size",c),m.viewport.bottom-=A.height),document.body.scrollHeight>window.innerHeight&&(A=this.cache("scrollbar-size",c),m.viewport.right-=A.width),(""!==(k=document.body.style.position)&&"static"!==k||""!==(q=document.body.parentElement.style.position)&&"static"!==q)&&(m.page.bottom=document.body.scrollHeight-P-n,m.page.right=document.body.scrollWidth-l-z),(null!=(U=this.options.optimizations)?U.moveElement:void 0)!==!1&&null==this.targetModifier){for(w=this.cache("target-offsetparent",function(){return f(R.target)}),O=this.cache("target-offsetparent-bounds",function(){return u(w)}),T=getComputedStyle(w),o=getComputedStyle(this.element),C=O,y={},I=["Top","Left","Bottom","Right"],F=0,N=I.length;N>F;F++)M=I[F],y[M.toLowerCase()]=parseFloat(T["border"+M+"Width"]);O.right=document.body.scrollWidth-O.left-C.width+y.right,O.bottom=document.body.scrollHeight-O.top-C.height+y.bottom,m.page.top>=O.top+y.top&&m.page.bottom>=O.bottom&&m.page.left>=O.left+y.left&&m.page.right>=O.right&&(E=w.scrollTop,S=w.scrollLeft,m.offset={top:m.page.top-O.top+E-y.top,left:m.page.left-O.left+S-y.left})}return this.move(m),this.history.unshift(m),this.history.length>3&&this.history.pop(),t&&p(),!0}},t.prototype.move=function(t){var e,o,i,n,s,r,h,p,u,d,c,g,m,v,b,y,w,C=this;if(null!=this.element.parentNode){p={};for(d in t){p[d]={};for(n in t[d]){for(i=!1,y=this.history,v=0,b=y.length;b>v;v++)if(h=y[v],!E(null!=(w=h[d])?w[n]:void 0,t[d][n])){i=!0;break}i||(p[d][n]=!0)}}e={top:"",left:"",right:"",bottom:""},u=function(t,o){var i,n,s;return(null!=(s=C.options.optimizations)?s.gpu:void 0)===!1?(t.top?e.top=""+o.top+"px":e.bottom=""+o.bottom+"px",t.left?e.left=""+o.left+"px":e.right=""+o.right+"px"):(t.top?(e.top=0,n=o.top):(e.bottom=0,n=-o.bottom),t.left?(e.left=0,i=o.left):(e.right=0,i=-o.right),e[x]="translateX("+Math.round(i)+"px) translateY("+Math.round(n)+"px)","msTransform"!==x?e[x]+=" translateZ(0)":void 0)},s=!1,(p.page.top||p.page.bottom)&&(p.page.left||p.page.right)?(e.position="absolute",u(p.page,t.page)):(p.viewport.top||p.viewport.bottom)&&(p.viewport.left||p.viewport.right)?(e.position="fixed",u(p.viewport,t.viewport)):null!=p.offset&&p.offset.top&&p.offset.left?(e.position="absolute",r=this.cache("target-offsetparent",function(){return f(C.target)}),f(this.element)!==r&&l(function(){return 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T?T=function(){var t,e,o,i;for(o=T.split(","),i=[],e=0,t=o.length;t>e;e++)C=o[e],i.push(C.trim());return 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l(ee.target,r,h),l(ee.element,r,h)}),{top:P,left:b}}})}.call(this),function(){var t,e,o,i;i=this.Tether.Utils,e=i.getBounds,o=i.updateClasses,t=i.defer,this.Tether.modules.push({position:function(i){var n,s,r,h,l,a,p,u,f,d,c,g,m,v,b,y,w,C,T,O,x,S,E,A,M,B=this;if(c=i.top,a=i.left,x=this.cache("element-bounds",function(){return e(B.element)}),l=x.height,g=x.width,d=this.getTargetBounds(),h=c+l,p=a+g,n=[],c<=d.bottom&&h>=d.top)for(S=["left","right"],m=0,w=S.length;w>m;m++)u=S[m],((E=d[u])===a||E===p)&&n.push(u);if(a<=d.right&&p>=d.left)for(A=["top","bottom"],v=0,C=A.length;C>v;v++)u=A[v],((M=d[u])===c||M===h)&&n.push(u);for(r=[],s=[],f=["left","top","right","bottom"],r.push(this.getClass("abutted")),b=0,T=f.length;T>b;b++)u=f[b],r.push(""+this.getClass("abutted")+"-"+u);for(n.length&&s.push(this.getClass("abutted")),y=0,O=n.length;O>y;y++)u=n[y],s.push(""+this.getClass("abutted")+"-"+u);return t(function(){return 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e=document.createElement("div"),e.innerHTML=t,e.children[0]},p=function(t,e){var o,i,n,s,r;return o=null!=(i=null!=(n=null!=(s=null!=(r=t.matches)?r:t.matchesSelector)?s:t.webkitMatchesSelector)?n:t.mozMatchesSelector)?i:t.oMatchesSelector,o.call(t,e)},u=function(t,e){var o,i,n,s,r,h;if(null==t)return t;if("object"==typeof t)return t;for(s=t.split(" "),s.length>e.length&&(s[0]=s.slice(0,+(s.length-e.length)+1||9e9).join(" "),s.splice(1,s.length-e.length)),i={},o=r=0,h=e.length;h>r;o=++r)n=e[o],i[n]=s[o];return i},i=function(e){function o(t,e){this.tour=t,this.destroy=g(this.destroy,this),this.scrollTo=g(this.scrollTo,this),this.complete=g(this.complete,this),this.cancel=g(this.cancel,this),this.isOpen=g(this.isOpen,this),this.hide=g(this.hide,this),this.show=g(this.show,this),this.setOptions(e)}return v(o,e),o.prototype.setOptions=function(t){var e,o,i,n;if(this.options=null!=t?t:{},this.destroy(),this.id=this.options.id||this.id||"step-"+d(),this.options.when){n=this.options.when;for(e in n)o=n[e],this.on(e,o,this)}return null!=(i=this.options).buttons?(i=this.options).buttons:i.buttons=[{text:"Next",action:this.tour.next}]},o.prototype.getTour=function(){return this.tour},o.prototype.bindAdvance=function(){var t,e,o,i,n=this;return i=u(this.options.advanceOn,["selector","event"]),t=i.event,o=i.selector,e=function(t){if(n.isOpen())if(null!=o){if(p(t.target,o))return n.tour.next()}else if(n.el&&t.target===n.el)return n.tour.next()},document.body.addEventListener(t,e),this.on("destroy",function(){return document.body.removeEventListener(t,e)})},o.prototype.getAttachTo=function(){var t;if(t=u(this.options.attachTo,["element","on"]),null==t&&(t={}),"string"==typeof t.element&&(t.element=document.querySelector(t.element),null==t.element))throw new Error("Shepherd step's attachTo was not found in the page");return t},o.prototype.setupTether=function(){var e,o,i;if("undefined"==typeof Tether||null===Tether)throw new Error("Using the attachment feature of Shepherd requires the Tether library");return o=this.getAttachTo(),e=t[o.on||"right"],null==o.element&&(o.element="viewport",e="middle center"),i={classPrefix:"shepherd",element:this.el,constraints:[{to:"window",pin:!0,attachment:"together"}],target:o.element,offset:o.offset||"0 0",attachment:e},this.tether=new Tether(h(i,this.options.tetherOptions))},o.prototype.show=function(){var t=this;return null==this.el&&this.render(),s(this.el,"shepherd-open"),this.setupTether(),this.options.scrollTo&&setTimeout(function(){return t.scrollTo()}),this.trigger("show")},o.prototype.hide=function(){var t;return f(this.el,"shepherd-open"),null!=(t=this.tether)&&t.destroy(),this.tether=null,this.trigger("hide")},o.prototype.isOpen=function(){return a(this.el,"shepherd-open")},o.prototype.cancel=function(){return this.hide(),this.trigger("cancel")},o.prototype.complete=function(){return this.hide(),this.trigger("complete")},o.prototype.scrollTo=function(){var t;return t=this.getAttachTo().element,null!=t?t.scrollIntoView():void 0},o.prototype.destroy=function(){var t;return null!=this.el&&(document.body.removeChild(this.el),delete this.el),null!=(t=this.tether)&&t.destroy(),this.tether=null,this.trigger("destroy")},o.prototype.render=function(){var t,e,o,i,n,s,h,l,a,p,u,f,d,c,g,m;if(null!=this.el&&this.destroy(),this.el=r("<div class='shepherd-step "+(null!=(c=this.options.classes)?c:"")+"' data-id='"+this.id+"'></div>"),i=document.createElement("div"),i.className="shepherd-content",this.el.appendChild(i),null!=this.options.title&&(s=document.createElement("header"),s.innerHTML="<h3 class='shepherd-title'>"+this.options.title+"</h3>",this.el.className+=" shepherd-has-title",i.appendChild(s)),null!=this.options.text){for(a=r("<div class='shepherd-text'></div>"),l=this.options.text,"string"==typeof l&&(l=[l]),p=0,f=l.length;f>p;p++)h=l[p],a.innerHTML+="<p>"+h+"</p>";i.appendChild(a)}if(n=document.createElement("footer"),this.options.buttons){for(e=r("<ul class='shepherd-buttons'></ul>"),g=this.options.buttons,u=0,d=g.length;d>u;u++)o=g[u],t=r("<li><a class='shepherd-button "+(null!=(m=o.classes)?m:"")+"'>"+o.text+"</a>"),e.appendChild(t),this.bindButtonEvents(o,t.querySelector("a"));n.appendChild(e)}return i.appendChild(n),document.body.appendChild(this.el),this.setupTether(),this.options.advanceOn?this.bindAdvance():void 0},o.prototype.bindButtonEvents=function(t,e){var o,i,n,s,r=this;null==t.events&&(t.events={}),null!=t.action&&(t.events.click=t.action),s=t.events;for(o in s)i=s[o],"string"==typeof i&&(n=i,i=function(){return r.tour.show(n)}),e.addEventListener(o,i);return this.on("destroy",function(){var n,s;n=t.events,s=[];for(o in n)i=n[o],s.push(e.removeEventListener(o,i));return s})},o}(e),n=function(t){function e(t){var e,i,n,s,r,h=this;for(this.options=null!=t?t:{},this.hide=g(this.hide,this),this.cancel=g(this.cancel,this),this.back=g(this.back,this),this.next=g(this.next,this),this.steps=null!=(s=this.options.steps)?s:[],r=["complete","cancel","hide","start","show"],i=0,n=r.length;n>i;i++)e=r[i],this.on(e,function(t){return null==t&&(t={}),t.tour=h,o.trigger(e,t)})}return v(e,t),e.prototype.addStep=function(t,e){var o;return null==e&&(e=t),e instanceof i?e.tour=this:(("string"==(o=typeof t)||"number"===o)&&(e.id=t.toString()),e=h({},this.options.defaults,e),e=new i(this,e)),this.steps.push(e),e},e.prototype.getById=function(t){var e,o,i,n;for(n=this.steps,o=0,i=n.length;i>o;o++)if(e=n[o],e.id===t)return e},e.prototype.getCurrentStep=function(){return this.currentStep},e.prototype.next=function(){var t;return t=this.steps.indexOf(this.currentStep),t===this.steps.length-1?(this.hide(t),this.trigger("complete"),this.done()):this.show(t+1)},e.prototype.back=function(){var t;return t=this.steps.indexOf(this.currentStep),this.show(t-1)},e.prototype.cancel=function(){var t;return null!=(t=this.currentStep)&&t.cancel(),this.trigger("cancel"),this.done()},e.prototype.hide=function(){var t;return null!=(t=this.currentStep)&&t.hide(),this.trigger("hide"),this.done()},e.prototype.done=function(){return o.activeTour=null},e.prototype.show=function(t){var e;return null==t&&(t=0),this.currentStep&&this.currentStep.hide(),o.activeTour=this,e="string"==typeof t?this.getById(t):this.steps[t],e?(this.trigger("show",{step:e,previous:this.currentStep}),this.currentStep=e,e.show()):void 0},e.prototype.start=function(){return this.trigger("start"),this.currentStep=null,this.next()},e}(e),o=new e,h(o,{Tour:n,Step:i,Evented:e}),window.Shepherd=o}.call(this);
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t=document.createElement("div"),t.style.width="100%",t.style.height="200px",e=document.createElement("div"),n(e.style,{position:"absolute",top:0,left:0,pointerEvents:"none",visibility:"hidden",width:"200px",height:"150px",overflow:"hidden"}),e.appendChild(t),document.body.appendChild(e),i=t.offsetWidth,e.style.overflow="scroll",s=t.offsetWidth,i===s&&(s=e.clientWidth),document.body.removeChild(e),o=i-s,{width:o,height:o}},n=function(t){var e,o,i,n,s,r,h;for(null==t&&(t={}),e=[],Array.prototype.push.apply(e,arguments),h=e.slice(1),s=0,r=h.length;r>s;s++)if(i=h[s])for(o in i)v.call(i,o)&&(n=i[o],t[o]=n);return t},d=function(t,e){var o,i,n,s,r;if(null!=t.classList){for(s=e.split(" "),r=[],i=0,n=s.length;n>i;i++)o=s[i],o.trim()&&r.push(t.classList.remove(o));return r}return t.className=t.className.replace(new RegExp("(^| )"+e.split(" ").join("|")+"( |$)","gi")," ")},e=function(t,e){var o,i,n,s,r;if(null!=t.classList){for(s=e.split(" 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this.targetAttachment=y(this.options.targetAttachment),this.attachment=y(this.options.attachment),this.offset=w(this.options.offset),this.targetOffset=w(this.options.targetOffset),null!=this.scrollParent&&this.disable(),this.scrollParent="scroll-handle"===this.targetModifier?this.target:g(this.target),this.options.enabled!==!1?this.enable(e):void 0},t.prototype.getTargetBounds=function(){var t,e,o,i,n,s,r,h,l;if(null==this.targetModifier)return u(this.target);switch(this.targetModifier){case"visible":return this.target===document.body?{top:pageYOffset,left:pageXOffset,height:innerHeight,width:innerWidth}:(t=u(this.target),n={height:t.height,width:t.width,top:t.top,left:t.left},n.height=Math.min(n.height,t.height-(pageYOffset-t.top)),n.height=Math.min(n.height,t.height-(t.top+t.height-(pageYOffset+innerHeight))),n.height=Math.min(innerHeight,n.height),n.height-=2,n.width=Math.min(n.width,t.width-(pageXOffset-t.left)),n.width=Math.min(n.width,t.width-(t.left+t.width-(pageXOffset+innerWidth))),n.width=Math.min(innerWidth,n.width),n.width-=2,n.top<pageYOffset&&(n.top=pageYOffset),n.left<pageXOffset&&(n.left=pageXOffset),n);case"scroll-handle":return l=this.target,l===document.body?(l=document.documentElement,t={left:pageXOffset,top:pageYOffset,height:innerHeight,width:innerWidth}):t=u(l),h=getComputedStyle(l),o=l.scrollWidth>l.clientWidth||"scroll"===[h.overflow,h.overflowX]||this.target!==document.body,s=0,o&&(s=15),i=t.height-parseFloat(h.borderTopWidth)-parseFloat(h.borderBottomWidth)-s,n={width:15,height:.975*i*(i/l.scrollHeight),left:t.left+t.width-parseFloat(h.borderLeftWidth)-15},e=0,408>i&&this.target===document.body&&(e=-11e-5*Math.pow(i,2)-.00727*i+22.58),this.target!==document.body&&(n.height=Math.max(n.height,24)),r=this.target.scrollTop/(l.scrollHeight-i),n.top=r*(i-n.height-e)+t.top+parseFloat(h.borderTopWidth),this.target===document.body&&(n.height=Math.max(n.height,24)),n}},t.prototype.clearCache=function(){return this._cache={}},t.prototype.cache=function(t,e){return null==this._cache&&(this._cache={}),null==this._cache[t]&&(this._cache[t]=e.call(this)),this._cache[t]},t.prototype.enable=function(t){return null==t&&(t=!0),n(this.target,this.getClass("enabled")),n(this.element,this.getClass("enabled")),this.enabled=!0,this.scrollParent!==document&&this.scrollParent.addEventListener("scroll",this.position),t?this.position():void 0},t.prototype.disable=function(){return T(this.target,this.getClass("enabled")),T(this.element,this.getClass("enabled")),this.enabled=!1,null!=this.scrollParent?this.scrollParent.removeEventListener("scroll",this.position):void 0},t.prototype.destroy=function(){var t,e,o,i,n;for(this.disable(),n=[],t=o=0,i=O.length;i>o;t=++o){if(e=O[t],e===this){O.splice(t,1);break}n.push(void 0)}return n},t.prototype.updateAttachClasses=function(t,e){var o,i,n,s,r,h,a,p,u,f=this;for(null==t&&(t=this.attachment),null==e&&(e=this.targetAttachment),s=["left","top","bottom","right","middle","center"],(null!=(u=this._addAttachClasses)?u.length:void 0)&&this._addAttachClasses.splice(0,this._addAttachClasses.length),o=null!=this._addAttachClasses?this._addAttachClasses:this._addAttachClasses=[],t.top&&o.push(""+this.getClass("element-attached")+"-"+t.top),t.left&&o.push(""+this.getClass("element-attached")+"-"+t.left),e.top&&o.push(""+this.getClass("target-attached")+"-"+e.top),e.left&&o.push(""+this.getClass("target-attached")+"-"+e.left),i=[],r=0,a=s.length;a>r;r++)n=s[r],i.push(""+this.getClass("element-attached")+"-"+n);for(h=0,p=s.length;p>h;h++)n=s[h],i.push(""+this.getClass("target-attached")+"-"+n);return l(function(){return null!=f._addAttachClasses?(S(f.element,f._addAttachClasses,i),S(f.target,f._addAttachClasses,i),f._addAttachClasses=void 0):void 0})},t.prototype.position=function(t){var e,o,n,l,a,d,g,m,v,y,w,C,T,O,x,S,E,A,M,B,W,L,_,P,z,H,F,Y,N,X,j,k,q,U,I,R=this;if(null==t&&(t=!0),this.enabled){for(this.clearCache(),B=h(this.targetAttachment,this.attachment),this.updateAttachClasses(this.attachment,B),e=this.cache("element-bounds",function(){return u(R.element)}),z=e.width,n=e.height,0===z&&0===n&&null!=this.lastSize?(X=this.lastSize,z=X.width,n=X.height):this.lastSize={width:z,height:n},_=L=this.cache("target-bounds",function(){return R.getTargetBounds()}),v=b(r(this.attachment),{width:z,height:n}),W=b(r(B),_),a=b(this.offset,{width:z,height:n}),d=b(this.targetOffset,_),v=s(v,a),W=s(W,d),l=L.left+W.left-v.left,P=L.top+W.top-v.top,j=i.modules,H=0,Y=j.length;Y>H;H++)if(g=j[H],x=g.position.call(this,{left:l,top:P,targetAttachment:B,targetPos:L,attachment:this.attachment,elementPos:e,offset:v,targetOffset:W,manualOffset:a,manualTargetOffset:d,scrollbarSize:A}),null!=x&&"object"==typeof x){if(x===!1)return!1;P=x.top,l=x.left}if(m={page:{top:P,left:l},viewport:{top:P-pageYOffset,bottom:pageYOffset-P-n+innerHeight,left:l-pageXOffset,right:pageXOffset-l-z+innerWidth}},document.body.scrollWidth>window.innerWidth&&(A=this.cache("scrollbar-size",c),m.viewport.bottom-=A.height),document.body.scrollHeight>window.innerHeight&&(A=this.cache("scrollbar-size",c),m.viewport.right-=A.width),(""!==(k=document.body.style.position)&&"static"!==k||""!==(q=document.body.parentElement.style.position)&&"static"!==q)&&(m.page.bottom=document.body.scrollHeight-P-n,m.page.right=document.body.scrollWidth-l-z),(null!=(U=this.options.optimizations)?U.moveElement:void 0)!==!1&&null==this.targetModifier){for(w=this.cache("target-offsetparent",function(){return f(R.target)}),O=this.cache("target-offsetparent-bounds",function(){return u(w)}),T=getComputedStyle(w),o=getComputedStyle(this.element),C=O,y={},I=["Top","Left","Bottom","Right"],F=0,N=I.length;N>F;F++)M=I[F],y[M.toLowerCase()]=parseFloat(T["border"+M+"Width"]);O.right=document.body.scrollWidth-O.left-C.width+y.right,O.bottom=document.body.scrollHeight-O.top-C.height+y.bottom,m.page.top>=O.top+y.top&&m.page.bottom>=O.bottom&&m.page.left>=O.left+y.left&&m.page.right>=O.right&&(E=w.scrollTop,S=w.scrollLeft,m.offset={top:m.page.top-O.top+E-y.top,left:m.page.left-O.left+S-y.left})}return this.move(m),this.history.unshift(m),this.history.length>3&&this.history.pop(),t&&p(),!0}},t.prototype.move=function(t){var e,o,i,n,s,r,h,p,u,d,c,g,m,v,b,y,w,C=this;if(null!=this.element.parentNode){p={};for(d in t){p[d]={};for(n in t[d]){for(i=!1,y=this.history,v=0,b=y.length;b>v;v++)if(h=y[v],!E(null!=(w=h[d])?w[n]:void 0,t[d][n])){i=!0;break}i||(p[d][n]=!0)}}e={top:"",left:"",right:"",bottom:""},u=function(t,o){var i,n,s;return(null!=(s=C.options.optimizations)?s.gpu:void 0)===!1?(t.top?e.top=""+o.top+"px":e.bottom=""+o.bottom+"px",t.left?e.left=""+o.left+"px":e.right=""+o.right+"px"):(t.top?(e.top=0,n=o.top):(e.bottom=0,n=-o.bottom),t.left?(e.left=0,i=o.left):(e.right=0,i=-o.right),e[x]="translateX("+Math.round(i)+"px) translateY("+Math.round(n)+"px)","msTransform"!==x?e[x]+=" translateZ(0)":void 0)},s=!1,(p.page.top||p.page.bottom)&&(p.page.left||p.page.right)?(e.position="absolute",u(p.page,t.page)):(p.viewport.top||p.viewport.bottom)&&(p.viewport.left||p.viewport.right)?(e.position="fixed",u(p.viewport,t.viewport)):null!=p.offset&&p.offset.top&&p.offset.left?(e.position="absolute",r=this.cache("target-offsetparent",function(){return f(C.target)}),f(this.element)!==r&&l(function(){return C.element.parentNode.removeChild(C.element),r.appendChild(C.element)}),u(p.offset,t.offset),s=!0):(e.position="absolute",u({top:!0,left:!0},t.page)),s||"BODY"===this.element.parentNode.tagName||(this.element.parentNode.removeChild(this.element),document.body.appendChild(this.element)),m={},g=!1;for(n in e)c=e[n],o=this.element.style[n],""===o||""===c||"top"!==n&&"left"!==n&&"bottom"!==n&&"right"!==n||(o=parseFloat(o),c=parseFloat(c)),o!==c&&(g=!0,m[n]=e[n]);return g?l(function(){return a(C.element.style,m)}):void 0}},t}(),i.position=C,this.Tether=a(A,i)}.call(this),function(){var t,e,o,i,n,s,r,h,l,a,p=[].indexOf||function(t){for(var e=0,o=this.length;o>e;e++)if(e in this&&this[e]===t)return e;return-1};a=this.Tether.Utils,r=a.getOuterSize,s=a.getBounds,h=a.getSize,i=a.extend,l=a.updateClasses,o=a.defer,e={left:"right",right:"left",top:"bottom",bottom:"top",middle:"middle"},t=["left","top","right","bottom"],n=function(e,o){var i,n,r,h,l,a,p;if("scrollParent"===o?o=e.scrollParent:"window"===o&&(o=[pageXOffset,pageYOffset,innerWidth+pageXOffset,innerHeight+pageYOffset]),o===document&&(o=o.documentElement),null!=o.nodeType)for(n=h=s(o),l=getComputedStyle(o),o=[n.left,n.top,h.width+n.left,h.height+n.top],i=a=0,p=t.length;p>a;i=++a)r=t[i],r=r[0].toUpperCase()+r.substr(1),"Top"===r||"Left"===r?o[i]+=parseFloat(l["border"+r+"Width"]):o[i]-=parseFloat(l["border"+r+"Width"]);return o},this.Tether.modules.push({position:function(e){var r,h,a,u,f,d,c,g,m,v,b,y,w,C,T,O,x,S,E,A,M,B,W,L,_,P,z,H,F,Y,N,X,j,k,q,U,I,R,D,Z,$,V,G,J,K,Q,te,ee=this;if(P=e.top,b=e.left,M=e.targetAttachment,!this.options.constraints)return!0;for(S=function(e){var o,i,n,s;for(ee.removeClass(e),s=[],i=0,n=t.length;n>i;i++)o=t[i],s.push(ee.removeClass(""+e+"-"+o));return s},Z=this.cache("element-bounds",function(){return s(ee.element)}),v=Z.height,z=Z.width,0===z&&0===v&&null!=this.lastSize&&($=this.lastSize,z=$.width,v=$.height),W=this.cache("target-bounds",function(){return ee.getTargetBounds()}),B=W.height,L=W.width,A={},m={},h=[this.getClass("pinned"),this.getClass("out-of-bounds")],V=this.options.constraints,H=0,X=V.length;X>H;H++)g=V[H],g.outOfBoundsClass&&h.push(g.outOfBoundsClass),g.pinnedClass&&h.push(g.pinnedClass);for(F=0,j=h.length;j>F;F++)for(c=h[F],G=["left","top","right","bottom"],Y=0,k=G.length;k>Y;Y++)E=G[Y],h.push(""+c+"-"+E);for(r=[],A=i({},M),m=i({},this.attachment),J=this.options.constraints,N=0,q=J.length;q>N;N++){if(g=J[N],_=g.to,a=g.attachment,T=g.pin,null==a&&(a=""),p.call(a," ")>=0?(K=a.split(" "),d=K[0],f=K[1]):f=d=a,u=n(this,_),("target"===d||"both"===d)&&(P<u[1]&&"top"===A.top&&(P+=B,A.top="bottom"),P+v>u[3]&&"bottom"===A.top&&(P-=B,A.top="top")),"together"===d&&(P<u[1]&&"top"===A.top&&("bottom"===m.top?(P+=B,A.top="bottom",P+=v,m.top="top"):"top"===m.top&&(P+=B,A.top="bottom",P-=v,m.top="bottom")),P+v>u[3]&&"bottom"===A.top&&("top"===m.top?(P-=B,A.top="top",P-=v,m.top="bottom"):"bottom"===m.top&&(P-=B,A.top="top",P+=v,m.top="top")),"middle"===A.top&&(P+v>u[3]&&"top"===m.top?(P-=v,m.top="bottom"):P<u[1]&&"bottom"===m.top&&(P+=v,m.top="top"))),("target"===f||"both"===f)&&(b<u[0]&&"left"===A.left&&(b+=L,A.left="right"),b+z>u[2]&&"right"===A.left&&(b-=L,A.left="left")),"together"===f&&(b<u[0]&&"left"===A.left?"right"===m.left?(b+=L,A.left="right",b+=z,m.left="left"):"left"===m.left&&(b+=L,A.left="right",b-=z,m.left="right"):b+z>u[2]&&"right"===A.left?"left"===m.left?(b-=L,A.left="left",b-=z,m.left="right"):"right"===m.left&&(b-=L,A.left="left",b+=z,m.left="left"):"center"===A.left&&(b+z>u[2]&&"left"===m.left?(b-=z,m.left="right"):b<u[0]&&"right"===m.left&&(b+=z,m.left="left"))),("element"===d||"both"===d)&&(P<u[1]&&"bottom"===m.top&&(P+=v,m.top="top"),P+v>u[3]&&"top"===m.top&&(P-=v,m.top="bottom")),("element"===f||"both"===f)&&(b<u[0]&&"right"===m.left&&(b+=z,m.left="left"),b+z>u[2]&&"left"===m.left&&(b-=z,m.left="right")),"string"==typeof T?T=function(){var t,e,o,i;for(o=T.split(","),i=[],e=0,t=o.length;t>e;e++)C=o[e],i.push(C.trim());return i}():T===!0&&(T=["top","left","right","bottom"]),T||(T=[]),O=[],y=[],P<u[1]&&(p.call(T,"top")>=0?(P=u[1],O.push("top")):y.push("top")),P+v>u[3]&&(p.call(T,"bottom")>=0?(P=u[3]-v,O.push("bottom")):y.push("bottom")),b<u[0]&&(p.call(T,"left")>=0?(b=u[0],O.push("left")):y.push("left")),b+z>u[2]&&(p.call(T,"right")>=0?(b=u[2]-z,O.push("right")):y.push("right")),O.length)for(x=null!=(Q=this.options.pinnedClass)?Q:this.getClass("pinned"),r.push(x),R=0,U=O.length;U>R;R++)E=O[R],r.push(""+x+"-"+E);if(y.length)for(w=null!=(te=this.options.outOfBoundsClass)?te:this.getClass("out-of-bounds"),r.push(w),D=0,I=y.length;I>D;D++)E=y[D],r.push(""+w+"-"+E);(p.call(O,"left")>=0||p.call(O,"right")>=0)&&(m.left=A.left=!1),(p.call(O,"top")>=0||p.call(O,"bottom")>=0)&&(m.top=A.top=!1),(A.top!==M.top||A.left!==M.left||m.top!==this.attachment.top||m.left!==this.attachment.left)&&this.updateAttachClasses(m,A)}return o(function(){return l(ee.target,r,h),l(ee.element,r,h)}),{top:P,left:b}}})}.call(this),function(){var t,e,o,i;i=this.Tether.Utils,e=i.getBounds,o=i.updateClasses,t=i.defer,this.Tether.modules.push({position:function(i){var n,s,r,h,l,a,p,u,f,d,c,g,m,v,b,y,w,C,T,O,x,S,E,A,M,B=this;if(c=i.top,a=i.left,x=this.cache("element-bounds",function(){return e(B.element)}),l=x.height,g=x.width,d=this.getTargetBounds(),h=c+l,p=a+g,n=[],c<=d.bottom&&h>=d.top)for(S=["left","right"],m=0,w=S.length;w>m;m++)u=S[m],((E=d[u])===a||E===p)&&n.push(u);if(a<=d.right&&p>=d.left)for(A=["top","bottom"],v=0,C=A.length;C>v;v++)u=A[v],((M=d[u])===c||M===h)&&n.push(u);for(r=[],s=[],f=["left","top","right","bottom"],r.push(this.getClass("abutted")),b=0,T=f.length;T>b;b++)u=f[b],r.push(""+this.getClass("abutted")+"-"+u);for(n.length&&s.push(this.getClass("abutted")),y=0,O=n.length;O>y;y++)u=n[y],s.push(""+this.getClass("abutted")+"-"+u);return t(function(){return o(B.target,s,r),o(B.element,s,r)}),!0}})}.call(this),function(){this.Tether.modules.push({position:function(t){var e,o,i,n,s,r,h;return r=t.top,e=t.left,this.options.shift?(o=function(t){return"function"==typeof t?t.call(this,{top:r,left:e}):t},i=o(this.options.shift),"string"==typeof i?(i=i.split(" "),i[1]||(i[1]=i[0]),s=i[0],n=i[1],s=parseFloat(s,10),n=parseFloat(n,10)):(h=[i.top,i.left],s=h[0],n=h[1]),r+=s,e+=n,{top:r,left:e}):void 0}})}.call(this),this.Tether}),function(){var t,e,o,i,n,s,r,h,l,a,p,u,f,d,c,g=function(t,e){return function(){return t.apply(e,arguments)}},m={}.hasOwnProperty,v=function(t,e){function o(){this.constructor=t}for(var i in e)m.call(e,i)&&(t[i]=e[i]);return o.prototype=e.prototype,t.prototype=new o,t.__super__=e.prototype,t};c=Tether.Utils,h=c.extend,f=c.removeClass,s=c.addClass,a=c.hasClass,e=c.Evented,l=c.getBounds,d=c.uniqueId,t={top:"top center",left:"middle right",right:"middle left",bottom:"bottom center"},r=function(t){var e;return e=document.createElement("div"),e.innerHTML=t,e.children[0]},p=function(t,e){var o,i,n,s,r;return o=null!=(i=null!=(n=null!=(s=null!=(r=t.matches)?r:t.matchesSelector)?s:t.webkitMatchesSelector)?n:t.mozMatchesSelector)?i:t.oMatchesSelector,o.call(t,e)},u=function(t,e){var o,i,n,s,r,h;if(null==t)return t;if("object"==typeof t)return t;for(s=t.split(" "),s.length>e.length&&(s[0]=s.slice(0,+(s.length-e.length)+1||9e9).join(" "),s.splice(1,s.length-e.length)),i={},o=r=0,h=e.length;h>r;o=++r)n=e[o],i[n]=s[o];return i},i=function(e){function o(t,e){this.tour=t,this.destroy=g(this.destroy,this),this.scrollTo=g(this.scrollTo,this),this.complete=g(this.complete,this),this.cancel=g(this.cancel,this),this.isOpen=g(this.isOpen,this),this.hide=g(this.hide,this),this.show=g(this.show,this),this.setOptions(e)}return v(o,e),o.prototype.setOptions=function(t){var e,o,i,n;if(this.options=null!=t?t:{},this.destroy(),this.id=this.options.id||this.id||"step-"+d(),this.options.when){n=this.options.when;for(e in n)o=n[e],this.on(e,o,this)}return null!=(i=this.options).buttons?(i=this.options).buttons:i.buttons=[{text:"Next",action:this.tour.next}]},o.prototype.getTour=function(){return this.tour},o.prototype.bindAdvance=function(){var t,e,o,i,n=this;return i=u(this.options.advanceOn,["selector","event"]),t=i.event,o=i.selector,e=function(t){if(n.isOpen())if(null!=o){if(p(t.target,o))return n.tour.next()}else if(n.el&&t.target===n.el)return n.tour.next()},document.body.addEventListener(t,e),this.on("destroy",function(){return document.body.removeEventListener(t,e)})},o.prototype.getAttachTo=function(){var t;if(t=u(this.options.attachTo,["element","on"]),null==t&&(t={}),"string"==typeof t.element&&(t.element=document.querySelector(t.element),null==t.element))throw new Error("Shepherd step's attachTo was not found in the page");return t},o.prototype.setupTether=function(){var e,o,i;if("undefined"==typeof Tether||null===Tether)throw new Error("Using the attachment feature of Shepherd requires the Tether library");return o=this.getAttachTo(),e=t[o.on||"right"],null==o.element&&(o.element="viewport",e="middle center"),i={classPrefix:"shepherd",element:this.el,constraints:[{to:"window",pin:!0,attachment:"together"}],target:o.element,offset:o.offset||"0 0",attachment:e},this.tether=new Tether(h(i,this.options.tetherOptions))},o.prototype.show=function(){var t=this;return null==this.el&&this.render(),s(this.el,"shepherd-open"),this.setupTether(),this.options.scrollTo&&setTimeout(function(){return t.scrollTo()}),this.trigger("show")},o.prototype.hide=function(){var t;return f(this.el,"shepherd-open"),null!=(t=this.tether)&&t.destroy(),this.tether=null,this.trigger("hide")},o.prototype.isOpen=function(){return a(this.el,"shepherd-open")},o.prototype.cancel=function(){return this.hide(),this.trigger("cancel")},o.prototype.complete=function(){return this.hide(),this.trigger("complete")},o.prototype.scrollTo=function(){var t;return t=this.getAttachTo().element,null!=t?t.scrollIntoView():void 0},o.prototype.destroy=function(){var t;return null!=this.el&&(document.body.removeChild(this.el),delete this.el),null!=(t=this.tether)&&t.destroy(),this.tether=null,this.trigger("destroy")},o.prototype.render=function(){var t,e,o,i,n,s,h,l,a,p,u,f,d,c,g,m;if(null!=this.el&&this.destroy(),this.el=r("<div class='shepherd-step "+(null!=(c=this.options.classes)?c:"")+"' data-id='"+this.id+"'></div>"),i=document.createElement("div"),i.className="shepherd-content",this.el.appendChild(i),null!=this.options.title&&(s=document.createElement("header"),s.innerHTML="<h3 class='shepherd-title'>"+this.options.title+"</h3>",this.el.className+=" shepherd-has-title",i.appendChild(s)),null!=this.options.text){for(a=r("<div class='shepherd-text'></div>"),l=this.options.text,"string"==typeof l&&(l=[l]),p=0,f=l.length;f>p;p++)h=l[p],a.innerHTML+="<p>"+h+"</p>";i.appendChild(a)}if(n=document.createElement("footer"),this.options.buttons){for(e=r("<ul class='shepherd-buttons'></ul>"),g=this.options.buttons,u=0,d=g.length;d>u;u++)o=g[u],t=r("<li><a class='shepherd-button "+(null!=(m=o.classes)?m:"")+"'>"+o.text+"</a>"),e.appendChild(t),this.bindButtonEvents(o,t.querySelector("a"));n.appendChild(e)}return i.appendChild(n),document.body.appendChild(this.el),this.setupTether(),this.options.advanceOn?this.bindAdvance():void 0},o.prototype.bindButtonEvents=function(t,e){var o,i,n,s,r=this;null==t.events&&(t.events={}),null!=t.action&&(t.events.click=t.action),s=t.events;for(o in s)i=s[o],"string"==typeof i&&(n=i,i=function(){return r.tour.show(n)}),e.addEventListener(o,i);return this.on("destroy",function(){var n,s;n=t.events,s=[];for(o in n)i=n[o],s.push(e.removeEventListener(o,i));return s})},o}(e),n=function(t){function e(t){var e,i,n,s,r,h=this;for(this.options=null!=t?t:{},this.hide=g(this.hide,this),this.cancel=g(this.cancel,this),this.back=g(this.back,this),this.next=g(this.next,this),this.steps=null!=(s=this.options.steps)?s:[],r=["complete","cancel","hide","start","show"],i=0,n=r.length;n>i;i++)e=r[i],this.on(e,function(t){return null==t&&(t={}),t.tour=h,o.trigger(e,t)})}return v(e,t),e.prototype.addStep=function(t,e){var o;return null==e&&(e=t),e instanceof i?e.tour=this:(("string"==(o=typeof t)||"number"===o)&&(e.id=t.toString()),e=h({},this.options.defaults,e),e=new i(this,e)),this.steps.push(e),e},e.prototype.getById=function(t){var e,o,i,n;for(n=this.steps,o=0,i=n.length;i>o;o++)if(e=n[o],e.id===t)return e},e.prototype.getCurrentStep=function(){return this.currentStep},e.prototype.next=function(){var t;return t=this.steps.indexOf(this.currentStep),t===this.steps.length-1?(this.hide(t),this.trigger("complete"),this.done()):this.show(t+1)},e.prototype.back=function(){var t;return t=this.steps.indexOf(this.currentStep),this.show(t-1)},e.prototype.cancel=function(){var t;return null!=(t=this.currentStep)&&t.cancel(),this.trigger("cancel"),this.done()},e.prototype.hide=function(){var t;return null!=(t=this.currentStep)&&t.hide(),this.trigger("hide"),this.done()},e.prototype.done=function(){return o.activeTour=null},e.prototype.show=function(t){var e;return null==t&&(t=0),this.currentStep&&this.currentStep.hide(),o.activeTour=this,e="string"==typeof t?this.getById(t):this.steps[t],e?(this.trigger("show",{step:e,previous:this.currentStep}),this.currentStep=e,e.show()):void 0},e.prototype.start=function(){return this.trigger("start"),this.currentStep=null,this.next()},e}(e),o=new e,h(o,{Tour:n,Step:i,Evented:e}),window.Shepherd=o}.call(this);
\ No newline at end of file