diff --git a/README.md b/README.md
index 775383e..38f3b3d 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,7 @@ Simple, powerful, customizable and super lightweight (1 Kb Gzip) social buttons
 
 ## Install
 
-NPM:
+### Available in NPM
 
 ```sh
 npm i share-buttons
@@ -28,6 +28,12 @@ include `share-buttons.js` in the end of page:
 <script src="<path>/dist/share-buttons.js"></script>
 ```
 
+### Getting the library from CDN
+
+```html
+<script src="//cdn.jsdelivr.net/npm/share-buttons/dist/share-buttons.js"></script>
+```
+
 Paste this HTML on the page:
 
 ``` html
@@ -113,4 +119,4 @@ You can also use [simple-icons](https://github.com/simple-icons/simple-icons).
 
 ----
 
-&copy; 2015 - 2020 Yauheni Pakala
+&copy; 2015+ Yauheni Pakala and [contributors](https://github.com/wcoder/share-buttons/graphs/contributors) | MIT
diff --git a/dist/share-buttons.js b/dist/share-buttons.js
index 2a45461..f6e016f 100644
--- a/dist/share-buttons.js
+++ b/dist/share-buttons.js
@@ -1 +1 @@
-!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?module.exports=t():"function"==typeof define&&define.amd?define(t):(e=e||self).ShareButtons=t()}(this,function(){"use strict";var f=window,m=f.document;var e=new function(){function s(e,n){return e.replace(/\{(\d+)\}/g,function(e,t){return n[t]||e})}function u(e){return e.join(" - ")}function l(e){return encodeURIComponent(e)}this.i=function(){var e,t=m.querySelectorAll(".share-btn");for(e=t.length;e--;)n(t[e])};var n=function(e){var t,n=e.querySelectorAll("a");for(t=n.length;t--;)r(n[t],{id:"",url:i(e),title:c(e),desc:o(e)})},r=function(e,t){t.id=h(e,"data-id"),t.id&&a(e,"click",t)},i=function(e){return h(e,"data-url")||location.href||" "},c=function(e){return h(e,"data-title")||m.title||" "},o=function(e){var t=m.querySelector("meta[name=description]");return h(e,"data-desc")||t&&h(t,"content")||" "},a=function(e,t,n){function r(){d(n.id,n.url,n.title,n.desc)}e.addEventListener?e.addEventListener(t,r):e.attachEvent("on"+t,function(){r.call(e)})},h=function(e,t){return e.getAttribute(t)},d=function(e,t,n,r){var i=l(t),c=l(r),o=l(n),a=o||c||"";switch(e){case"fb":p(s("https://www.facebook.com/sharer/sharer.php?u={0}&quote={1}",[i,o]),n);break;case"vk":p(s("https://vk.com/share.php?url={0}&title={1}",[i,u([o,c])]),n);break;case"tw":p(s("https://twitter.com/intent/tweet?url={0}&text={1}",[i,u([o,c])]),n);break;case"tg":p(s("https://t.me/share/url?url={0}&text={1}",[i,u([o,c])]),n);break;case"pk":p(s("https://getpocket.com/edit?url={0}&title={1}",[i,u([o,c])]),n);break;case"re":p(s("https://reddit.com/submit?url={0}&title={1}",[i,o]),n);break;case"ev":p(s("https://www.evernote.com/clip.action?url={0}&t={1}",[i,o]),n);break;case"in":p(s("https://www.linkedin.com/shareArticle?mini=true&url={0}&title={1}&summary={2}&source={0}",[i,o,u([o,c])]),n);break;case"pi":p(s("https://pinterest.com/pin/create/button/?url={0}&media={0}&description={1}",[i,u([o,c])]),n);break;case"sk":p(s("https://web.skype.com/share?url={0}&source=button&text={1}",[i,u([o,c])]),n);break;case"wa":p(s("https://wa.me/?text={0}%20{1}",[u([o,c]),i]),n);break;case"ok":p(s("https://connect.ok.ru/dk?st.cmd=WidgetSharePreview&service=odnoklassniki&st.shareUrl={0}",[i]),n);break;case"tu":p(s("https://www.tumblr.com/widgets/share/tool?posttype=link&title={0}&caption={0}&content={1}&canonicalUrl={1}&shareSource=tumblr_share_button",[u([o,c]),i]),n);break;case"hn":p(s("https://news.ycombinator.com/submitlink?t={0}&u={1}",[u([o,c]),i]),n);break;case"xi":p(s("https://www.xing.com/app/user?op=share;url={0};title={1}",[i,u([o,c])]),n);break;case"mail":0<o.length&&0<c.length&&(a=u([o,c])),0<i.length&&(a=a+" / "+i),location.href=s("mailto:?subject={0}&body={1}",[o,a]);break;case"print":window.print()}},p=function(e,t){var n=void 0!==f.screenLeft?f.screenLeft:screen.left,r=void 0!==f.screenTop?f.screenTop:screen.top,i=(f.innerWidth||m.documentElement.clientWidth||screen.width)/2-300+n,c=(f.innerHeight||m.documentElement.clientHeight||screen.height)/3-400/3+r,o=f.open(e,"",s("resizable,toolbar=yes,location=yes,scrollbars=yes,menubar=yes,width={0},height={1},top={2},left={3}",[600,400,c,i]));null!==o&&o.focus&&o.focus()}};return e.i(),{update:function(){e.i()}}});
\ No newline at end of file
+!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?module.exports=t():"function"==typeof define&&define.amd?define(t):(e=e||self).ShareButtons=t()}(this,function(){"use strict";var k=window,w=k.document;var e=new function(){function s(e,n){return e.replace(/\{(\d+)\}/g,function(e,t){return n[t]||e})}function u(e){return e.join(" - ")}function l(e){return encodeURIComponent(e)}this.i=function(){for(var e=w.querySelectorAll(".share-btn"),t=e.length;t--;)n(e[t])};var n=function(e){for(var t=e.querySelectorAll("a"),n=t.length;n--;)r(t[n],{id:"",url:i(e),title:c(e),desc:o(e)})},r=function(e,t){t.id=f(e,"data-id"),t.id&&(d(e,"click"),p(e,"click",t))},i=function(e){return f(e,"data-url")||location.href||" "},c=function(e){return f(e,"data-title")||w.title||" "},o=function(e){var t=w.querySelector("meta[name=description]");return f(e,"data-desc")||t&&f(t,"content")||" "},a=0,h={},d=function(e,t){var n=e.getAttribute("data-sharebtn-ref");n&&(e.removeEventListener?e.removeEventListener(t,h[n]):e.detachEvent("on"+t,h[n+"ie"]))},p=function(e,t,n){function r(){b(n.id,n.url,n.title,n.desc)}function i(){r.call(e)}var c=e.getAttribute("data-sharebtn-ref");c||(c=++a,e.setAttribute("data-sharebtn-ref",c)),h[c]=r,h[c+"ie"]=i,e.addEventListener?e.addEventListener(t,r):e.attachEvent("on"+t,i)},f=function(e,t){return e.getAttribute(t)},b=function(e,t,n,r){var i=l(t),c=l(r),o=l(n),a=o||c||"";switch(e){case"fb":m(s("https://www.facebook.com/sharer/sharer.php?u={0}&quote={1}",[i,o]),n);break;case"vk":m(s("https://vk.com/share.php?url={0}&title={1}",[i,u([o,c])]),n);break;case"tw":m(s("https://twitter.com/intent/tweet?url={0}&text={1}",[i,u([o,c])]),n);break;case"tg":m(s("https://t.me/share/url?url={0}&text={1}",[i,u([o,c])]),n);break;case"pk":m(s("https://getpocket.com/edit?url={0}&title={1}",[i,u([o,c])]),n);break;case"re":m(s("https://reddit.com/submit?url={0}&title={1}",[i,o]),n);break;case"ev":m(s("https://www.evernote.com/clip.action?url={0}&t={1}",[i,o]),n);break;case"in":m(s("https://www.linkedin.com/shareArticle?mini=true&url={0}&title={1}&summary={2}&source={0}",[i,o,u([o,c])]),n);break;case"pi":m(s("https://pinterest.com/pin/create/button/?url={0}&media={0}&description={1}",[i,u([o,c])]),n);break;case"sk":m(s("https://web.skype.com/share?url={0}&source=button&text={1}",[i,u([o,c])]),n);break;case"wa":m(s("https://wa.me/?text={0}%20{1}",[u([o,c]),i]),n);break;case"ok":m(s("https://connect.ok.ru/dk?st.cmd=WidgetSharePreview&service=odnoklassniki&st.shareUrl={0}",[i]),n);break;case"tu":m(s("https://www.tumblr.com/widgets/share/tool?posttype=link&title={0}&caption={0}&content={1}&canonicalUrl={1}&shareSource=tumblr_share_button",[u([o,c]),i]),n);break;case"hn":m(s("https://news.ycombinator.com/submitlink?t={0}&u={1}",[u([o,c]),i]),n);break;case"xi":m(s("https://www.xing.com/app/user?op=share;url={0};title={1}",[i,u([o,c])]),n);break;case"mail":0<o.length&&0<c.length&&(a=u([o,c])),0<i.length&&(a=a+" / "+i),location.href=s("mailto:?subject={0}&body={1}",[o,a]);break;case"print":window.print()}},m=function(e,t){var n=void 0!==k.screenLeft?k.screenLeft:screen.left,r=void 0!==k.screenTop?k.screenTop:screen.top,i=k.innerWidth||w.documentElement.clientWidth||screen.width,c=k.innerHeight||w.documentElement.clientHeight||screen.height,n=k.open(e,"",s("resizable,toolbar=yes,location=yes,scrollbars=yes,menubar=yes,width={0},height={1},top={2},left={3}",[600,400,c/3-400/3+r,i/2-300+n]));null!==n&&n.focus&&n.focus()}};return e.i(),{update:function(){e.i()}}});
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index d6a8e45..2773eef 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,11 +1,11 @@
 {
   "name": "share-buttons",
-  "version": "1.7.0",
+  "version": "1.8.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
-      "version": "1.7.0",
+      "version": "1.8.0",
       "license": "MIT",
       "devDependencies": {
         "gulp": "^4.0.2",
@@ -1303,6 +1303,7 @@
         "yallist"
       ],
       "dev": true,
+      "hasInstallScript": true,
       "optional": true,
       "os": [
         "darwin"
diff --git a/package.json b/package.json
index 819cbe7..8d326af 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "share-buttons",
-  "version": "1.7.0",
+  "version": "1.8.0",
   "description": "Simple social buttons for your site.",
   "directories": {
     "example": "example"
diff --git a/src/share-buttons.js b/src/share-buttons.js
index f5502bf..7a21a74 100644
--- a/src/share-buttons.js
+++ b/src/share-buttons.js
@@ -9,10 +9,6 @@
 
     /**
      * Class to display the buttons of social networks.
-     *
-     * @author Yauheni Pakala <https://wcoder.github.io>
-     * @version 1.6
-     * @license MIT
      */
     function ShareButtons() {
 
@@ -140,12 +136,13 @@
          * Counter for generated cache's share button's index.
          * This to reference added share buttons' listeners.
          */
-        var refCounter = 0
+        var refCounter = 0;
+
         /**
          * List of added listeners' for share buttons.
          * This to index listeners' for update or removal purpose.
          */
-        var listenersCache = {}
+        var listenersCache = {};
 
        /**
         * Method for detaching event to the element