Updated tailwindcss to latest version

package.json

@@ -8,13 +8,13 @@
     "babel-plugin-tailwind": "^0.1.10",
     "emotion": "^9.1.3",
     "emotion-server": "^9.1.3",
-    "gatsby": "next",
+    "gatsby": "^2.0.0-beta.19",
     "gatsby-image": "^2.0.0-alpha.4",
     "gatsby-plugin-emotion": "^1.1.17",
-    "gatsby-plugin-manifest": "next",
-    "gatsby-plugin-netlify": "next",
-    "gatsby-plugin-offline": "next",
-    "gatsby-plugin-react-helmet": "next",
+    "gatsby-plugin-manifest": "^2.0.2-beta.2",
+    "gatsby-plugin-netlify": "^2.0.0-beta.2",
+    "gatsby-plugin-offline": "^2.0.0-beta.3",
+    "gatsby-plugin-react-helmet": "^3.0.0-beta.3",
     "gatsby-plugin-sharp": "^2.0.0-alpha.19",
     "gatsby-source-filesystem": "^2.0.0-alpha.15",
     "gatsby-transformer-sharp": "^2.0.1-13",
@@ -26,7 +26,7 @@
     "react-emotion": "^9.1.3",
     "react-helmet": "^5.2.0",
     "react-spring": "^5.3.8",
-    "tailwindcss": "^0.5.3",
+    "tailwindcss": "^0.6.1",
     "typeface-cantata-one": "^0.0.54",
     "typeface-open-sans": "^0.0.54"
   },