update package.json

Author: mohsinulhaq

package.json

@@ -8,7 +8,7 @@
     "url": "https://github.com/mohsinulhaq/react-popper-tooltip"
   },
   "browser": "lib/cjs/index.js",
-   "main": "lib/cjs/index.js",
+  "main": "lib/cjs/index.js",
   "module": "lib/esm/index.js",
   "unpkg": "dist/index.js",
   "style": "dist/styles.css",
@@ -112,13 +112,13 @@
     "@babel/plugin-transform-runtime": "^7.1.0",
     "@babel/preset-env": "^7.1.0",
     "@babel/preset-react": "^7.0.0",
-    "babel-eslint": "^9.0.0",
+    "babel-eslint": "^10.0.0",
     "docz": "^0.11.2",
     "docz-plugin-css": "^0.11.0",
     "eslint": "^5.6.0",
     "eslint-config-prettier": "^3.1.0",
     "eslint-plugin-jsx-a11y": "^6.1.1",
-    "eslint-plugin-prettier": "^2.6.2",
+    "eslint-plugin-prettier": "^2.7.0",
     "eslint-plugin-react": "^7.11.1",
     "gh-pages": "^2.0.0",
     "pre-commit": "^1.2.2",
@@ -133,5 +133,5 @@
     "rollup-plugin-size-snapshot": "^0.7.0",
     "rollup-plugin-terser": "^3.0.0"
   },
-  "sideEffects": false
+  "sideEffects": ["*.css"]
 }