Update readme, fix styles

Author: alekswebnet

README.md

@@ -9,10 +9,14 @@ A web component for [PDF.js viewer](https://mozilla.github.io/pdf.js/web/viewer.
 npm install --save pdfjs-viewer-element
 ```
 
+```
+yarn add pdfjs-viewer-element
+```
+
 or
 
 ```
-yarn add pdfjs-viewer-element
+<script type="module" src="https://cdn.skypack.dev/pdfjs-viewer-element"></script>
 ```
 
 ## Usage

package.json

@@ -1,6 +1,6 @@
 {
   "name": "pdfjs-viewer-element",
-  "version": "2.0.1",
+  "version": "2.0.2",
   "license": "MIT",
   "author": {
     "name": "Oleksandr Shevchuk",

src/pdfjs-viewer-element.ts

@@ -1,5 +1,5 @@
 const template = document.createElement('template');
-template.innerHTML = `<iframe frameborder="0" width="100%"></iframe><style>:host{width:100%;display: block}:host iframe{height:inherit}</style>`
+template.innerHTML = `<iframe frameborder="0" width="100%"></iframe><style>:host{width:100%;display:block;overflow:hidden}:host iframe{height:inherit}</style>`
 
 export class PdfjsViewerElement extends HTMLElement {
   constructor() {