Update README.md

Author: mohsinulhaq

README.md

@@ -1,9 +1,10 @@
 # React Tooltip
-[![npm version](https://img.shields.io/npm/v/react-popper-tooltip.svg)](https://www.npmjs.com/package/react-popper-tooltip)
-[![npm downloads](https://img.shields.io/npm/dm/react-popper-tooltip.svg)](https://www.npmjs.com/package/react-popper-tooltip)
-[![Dependency Status](https://david-dm.org/mohsinulhaq/react-popper-tooltip.svg)](https://david-dm.org/mohsinulhaq/react-popper-tooltip)
-[![code style: prettier](https://img.shields.io/badge/code_style-prettier-ff69b4.svg)](https://github.com/prettier/prettier)
-![PRs Welcome](https://img.shields.io/badge/PRs-welcome-brightgreen.svg)
+[![npm version](https://img.shields.io/npm/v/react-popper-tooltip.svg?style=flat-square)](https://www.npmjs.com/package/react-popper-tooltip)
+[![npm downloads](https://img.shields.io/npm/dt/react-popper-tooltip.svg?style=flat-square)](https://www.npmjs.com/package/react-popper-tooltip)
+[![gzip size](https://img.badgesize.io/https://unpkg.com/react-popper-tooltip?compression=gzip&style=flat-square)](https://unpkg.com/react-popper-tooltip)
+[![Dependency Status](https://img.shields.io/david/mohsinulhaq/react-popper-tooltip.svg?style=flat-square)](https://david-dm.org/mohsinulhaq/react-popper-tooltip)
+[![code style: prettier](https://img.shields.io/badge/code_style-prettier-ff69b4.svg?style=flat-square)](https://github.com/prettier/prettier)
+![PRs Welcome](https://img.shields.io/badge/PRs-welcome-brightgreen.svg?style=flat-square)
 
 React tooltip component based on [react-popper](https://github.com/FezVrasta/react-popper), the 
 React wrapper around [popper.js](https://popper.js.org/) library.