Merge latest Master from upstream

Author: Serhii Pashchenko

__tests__/fixtures/tailwind-output-important.css

@@ -384,6 +384,7 @@ h3,
 h4,
 h5,
 h6,
+hr,
 figure,
 p,
 pre {
@@ -461,7 +462,7 @@ html {
  */
 
 hr {
-  border-width: 1px;
+  border-top-width: 1px;
 }
 
 /**

__tests__/fixtures/tailwind-output.css

@@ -384,6 +384,7 @@ h3,
 h4,
 h5,
 h6,
+hr,
 figure,
 p,
 pre {
@@ -461,7 +462,7 @@ html {
  */
 
 hr {
-  border-width: 1px;
+  border-top-width: 1px;
 }
 
 /**

package.json

@@ -1,6 +1,6 @@
 {
   "name": "tailwindcss",
-  "version": "1.1.1",
+  "version": "1.1.2",
   "description": "A utility-first CSS framework for rapidly building custom user interfaces.",
   "license": "MIT",
   "main": "lib/index.js",
@@ -36,7 +36,7 @@
     "eslint-plugin-prettier": "^3.0.1",
     "jest": "^24.3.1",
     "prettier": "^1.7.4",
-    "rimraf": "^2.6.3"
+    "rimraf": "^3.0.0"
   },
   "dependencies": {
     "autoprefixer": "^9.4.5",

src/plugins/css/preflight.css

@@ -34,6 +34,7 @@ h3,
 h4,
 h5,
 h6,
+hr,
 figure,
 p,
 pre {
@@ -109,7 +110,7 @@ html {
  * Ensure horizontal rules are visible by default
  */
 hr {
-  border-width: 1px;
+  border-top-width: 1px;
 }
 
 /**