diff --git a/project/static/js/backCompat.js b/project/static/js/backCompat.js
new file mode 100644
index 0000000..e6601be
--- /dev/null
+++ b/project/static/js/backCompat.js
@@ -0,0 +1,56 @@
+/**
+ * enable compatibility with our TurfJS 5 build and IE11
+ */
+if (!Array.prototype.fill) {
+  Object.defineProperty(Array.prototype, 'fill', {
+    value: function(value) {
+
+      // Steps 1-2.
+      if (this == null) {
+        throw new TypeError('this is null or not defined');
+      }
+
+      var O = Object(this);
+
+      // Steps 3-5.
+      var len = O.length >>> 0;
+
+      // Steps 6-7.
+      var start = arguments[1];
+      var relativeStart = start >> 0;
+
+      // Step 8.
+      var k = relativeStart < 0 ?
+        Math.max(len + relativeStart, 0) :
+        Math.min(relativeStart, len);
+
+      // Steps 9-10.
+      var end = arguments[2];
+      var relativeEnd = end === undefined ?
+        len : end >> 0;
+
+      // Step 11.
+      var final = relativeEnd < 0 ?
+        Math.max(len + relativeEnd, 0) :
+        Math.min(relativeEnd, len);
+
+      // Step 12.
+      while (k < final) {
+        O[k] = value;
+        k++;
+      }
+
+      // Step 13.
+      return O;
+    }
+  });
+}
+Number.isInteger = Number.isInteger || function(value) {
+  return typeof value === 'number' && 
+    isFinite(value) && 
+    Math.floor(value) === value;
+};
+Math.trunc = Math.trunc || function(x) {
+  var n = x - x%1;
+  return n===0 && (x<0 || (x===0 && (1/x !== 1/0))) ? -0 : n;
+};
\ No newline at end of file
diff --git a/project/static/libs/modernizr-custom.js b/project/static/libs/modernizr-custom.js
new file mode 100644
index 0000000..a841195
--- /dev/null
+++ b/project/static/libs/modernizr-custom.js
@@ -0,0 +1,3 @@
+/*! modernizr 3.5.0 (Custom Build) | MIT *
+ * https://modernizr.com/download/?-es5array-es6array-typedarrays-setclasses !*/
+!function(e,r,o){function t(e,r){return typeof e===r}function a(){var e,r,o,a,n,p,y;for(var f in i)if(i.hasOwnProperty(f)){if(e=[],r=i[f],r.name&&(e.push(r.name.toLowerCase()),r.options&&r.options.aliases&&r.options.aliases.length))for(o=0;o<r.options.aliases.length;o++)e.push(r.options.aliases[o].toLowerCase());for(a=t(r.fn,"function")?r.fn():r.fn,n=0;n<e.length;n++)p=e[n],y=p.split("."),1===y.length?Modernizr[y[0]]=a:(!Modernizr[y[0]]||Modernizr[y[0]]instanceof Boolean||(Modernizr[y[0]]=new Boolean(Modernizr[y[0]])),Modernizr[y[0]][y[1]]=a),s.push((a?"":"no-")+y.join("-"))}}function n(e){var r=y.className,o=Modernizr._config.classPrefix||"";if(f&&(r=r.baseVal),Modernizr._config.enableJSClass){var t=new RegExp("(^|\\s)"+o+"no-js(\\s|$)");r=r.replace(t,"$1"+o+"js$2")}Modernizr._config.enableClasses&&(r+=" "+o+e.join(" "+o),f?y.className.baseVal=r:y.className=r)}var s=[],i=[],p={_version:"3.5.0",_config:{classPrefix:"",enableClasses:!0,enableJSClass:!0,usePrefixes:!0},_q:[],on:function(e,r){var o=this;setTimeout(function(){r(o[e])},0)},addTest:function(e,r,o){i.push({name:e,fn:r,options:o})},addAsyncTest:function(e){i.push({name:null,fn:e})}},Modernizr=function(){};Modernizr.prototype=p,Modernizr=new Modernizr,Modernizr.addTest("es5array",function(){return!!(Array.prototype&&Array.prototype.every&&Array.prototype.filter&&Array.prototype.forEach&&Array.prototype.indexOf&&Array.prototype.lastIndexOf&&Array.prototype.map&&Array.prototype.some&&Array.prototype.reduce&&Array.prototype.reduceRight&&Array.isArray)}),Modernizr.addTest("es6array",!!(Array.prototype&&Array.prototype.copyWithin&&Array.prototype.fill&&Array.prototype.find&&Array.prototype.findIndex&&Array.prototype.keys&&Array.prototype.entries&&Array.prototype.values&&Array.from&&Array.of)),Modernizr.addTest("typedarrays","ArrayBuffer"in e);var y=r.documentElement,f="svg"===y.nodeName.toLowerCase();a(),n(s),delete p.addTest,delete p.addAsyncTest;for(var l=0;l<Modernizr._q.length;l++)Modernizr._q[l]();e.Modernizr=Modernizr}(window,document);
\ No newline at end of file
diff --git a/project/static/libs/respond-1.4.2.min.js b/project/static/libs/respond-1.4.2.min.js
new file mode 100644
index 0000000..80a7b69
--- /dev/null
+++ b/project/static/libs/respond-1.4.2.min.js
@@ -0,0 +1,5 @@
+/*! Respond.js v1.4.2: min/max-width media query polyfill * Copyright 2013 Scott Jehl
+ * Licensed under https://github.com/scottjehl/Respond/blob/master/LICENSE-MIT
+ *  */
+
+!function(a){"use strict";a.matchMedia=a.matchMedia||function(a){var b,c=a.documentElement,d=c.firstElementChild||c.firstChild,e=a.createElement("body"),f=a.createElement("div");return f.id="mq-test-1",f.style.cssText="position:absolute;top:-100em",e.style.background="none",e.appendChild(f),function(a){return f.innerHTML='&shy;<style media="'+a+'"> #mq-test-1 { width: 42px; }</style>',c.insertBefore(e,d),b=42===f.offsetWidth,c.removeChild(e),{matches:b,media:a}}}(a.document)}(this),function(a){"use strict";function b(){u(!0)}var c={};a.respond=c,c.update=function(){};var d=[],e=function(){var b=!1;try{b=new a.XMLHttpRequest}catch(c){b=new a.ActiveXObject("Microsoft.XMLHTTP")}return function(){return b}}(),f=function(a,b){var c=e();c&&(c.open("GET",a,!0),c.onreadystatechange=function(){4!==c.readyState||200!==c.status&&304!==c.status||b(c.responseText)},4!==c.readyState&&c.send(null))};if(c.ajax=f,c.queue=d,c.regex={media:/@media[^\{]+\{([^\{\}]*\{[^\}\{]*\})+/gi,keyframes:/@(?:\-(?:o|moz|webkit)\-)?keyframes[^\{]+\{(?:[^\{\}]*\{[^\}\{]*\})+[^\}]*\}/gi,urls:/(url\()['"]?([^\/\)'"][^:\)'"]+)['"]?(\))/g,findStyles:/@media *([^\{]+)\{([\S\s]+?)$/,only:/(only\s+)?([a-zA-Z]+)\s?/,minw:/\([\s]*min\-width\s*:[\s]*([\s]*[0-9\.]+)(px|em)[\s]*\)/,maxw:/\([\s]*max\-width\s*:[\s]*([\s]*[0-9\.]+)(px|em)[\s]*\)/},c.mediaQueriesSupported=a.matchMedia&&null!==a.matchMedia("only all")&&a.matchMedia("only all").matches,!c.mediaQueriesSupported){var g,h,i,j=a.document,k=j.documentElement,l=[],m=[],n=[],o={},p=30,q=j.getElementsByTagName("head")[0]||k,r=j.getElementsByTagName("base")[0],s=q.getElementsByTagName("link"),t=function(){var a,b=j.createElement("div"),c=j.body,d=k.style.fontSize,e=c&&c.style.fontSize,f=!1;return b.style.cssText="position:absolute;font-size:1em;width:1em",c||(c=f=j.createElement("body"),c.style.background="none"),k.style.fontSize="100%",c.style.fontSize="100%",c.appendChild(b),f&&k.insertBefore(c,k.firstChild),a=b.offsetWidth,f?k.removeChild(c):c.removeChild(b),k.style.fontSize=d,e&&(c.style.fontSize=e),a=i=parseFloat(a)},u=function(b){var c="clientWidth",d=k[c],e="CSS1Compat"===j.compatMode&&d||j.body[c]||d,f={},o=s[s.length-1],r=(new Date).getTime();if(b&&g&&p>r-g)return a.clearTimeout(h),h=a.setTimeout(u,p),void 0;g=r;for(var v in l)if(l.hasOwnProperty(v)){var w=l[v],x=w.minw,y=w.maxw,z=null===x,A=null===y,B="em";x&&(x=parseFloat(x)*(x.indexOf(B)>-1?i||t():1)),y&&(y=parseFloat(y)*(y.indexOf(B)>-1?i||t():1)),w.hasquery&&(z&&A||!(z||e>=x)||!(A||y>=e))||(f[w.media]||(f[w.media]=[]),f[w.media].push(m[w.rules]))}for(var C in n)n.hasOwnProperty(C)&&n[C]&&n[C].parentNode===q&&q.removeChild(n[C]);n.length=0;for(var D in f)if(f.hasOwnProperty(D)){var E=j.createElement("style"),F=f[D].join("\n");E.type="text/css",E.media=D,q.insertBefore(E,o.nextSibling),E.styleSheet?E.styleSheet.cssText=F:E.appendChild(j.createTextNode(F)),n.push(E)}},v=function(a,b,d){var e=a.replace(c.regex.keyframes,"").match(c.regex.media),f=e&&e.length||0;b=b.substring(0,b.lastIndexOf("/"));var g=function(a){return a.replace(c.regex.urls,"$1"+b+"$2$3")},h=!f&&d;b.length&&(b+="/"),h&&(f=1);for(var i=0;f>i;i++){var j,k,n,o;h?(j=d,m.push(g(a))):(j=e[i].match(c.regex.findStyles)&&RegExp.$1,m.push(RegExp.$2&&g(RegExp.$2))),n=j.split(","),o=n.length;for(var p=0;o>p;p++)k=n[p],l.push({media:k.split("(")[0].match(c.regex.only)&&RegExp.$2||"all",rules:m.length-1,hasquery:k.indexOf("(")>-1,minw:k.match(c.regex.minw)&&parseFloat(RegExp.$1)+(RegExp.$2||""),maxw:k.match(c.regex.maxw)&&parseFloat(RegExp.$1)+(RegExp.$2||"")})}u()},w=function(){if(d.length){var b=d.shift();f(b.href,function(c){v(c,b.href,b.media),o[b.href]=!0,a.setTimeout(function(){w()},0)})}},x=function(){for(var b=0;b<s.length;b++){var c=s[b],e=c.href,f=c.media,g=c.rel&&"stylesheet"===c.rel.toLowerCase();e&&g&&!o[e]&&(c.styleSheet&&c.styleSheet.rawCssText?(v(c.styleSheet.rawCssText,e,f),o[e]=!0):(!/^([a-zA-Z:]*\/\/)/.test(e)&&!r||e.replace(RegExp.$1,"").split("/")[0]===a.location.host)&&("//"===e.substring(0,2)&&(e=a.location.protocol+e),d.push({href:e,media:f})))}w()};x(),c.update=x,c.getEmValue=t,a.addEventListener?a.addEventListener("resize",b,!1):a.attachEvent&&a.attachEvent("onresize",b)}}(this);
\ No newline at end of file
diff --git a/project/templates/pages/index.html b/project/templates/pages/index.html
index 46c6536..df066b3 100644
--- a/project/templates/pages/index.html
+++ b/project/templates/pages/index.html
@@ -21,6 +21,12 @@
         }
     </style>
 
+    <!-- scripts -->
+    <script src="{{ url_for('static', filename='libs/modernizr-custom.js')}}"></script>
+    <script src="{{ url_for('static', filename='js/backCompat.js')}}"></script>
+    <!--[if lt IE 9]><script src="{{ url_for('static', filename='libs/respond-1.4.2.min.js')}}"></script><![endif]-->
+    <!-- /scripts -->
+
 </head>
 
 <body>