diff --git a/__tests__/fixtures/tailwind-output.css b/__tests__/fixtures/tailwind-output.css
index 0714f376a..3f69218b9 100644
--- a/__tests__/fixtures/tailwind-output.css
+++ b/__tests__/fixtures/tailwind-output.css
@@ -2116,40 +2116,120 @@ button,
   border-radius: .25rem;
 }
 
+.rounded-t {
+  border-top-right-radius: .25rem;
+  border-top-left-radius: .25rem;
+}
+
+.rounded-r {
+  border-top-right-radius: .25rem;
+  border-bottom-right-radius: .25rem;
+}
+
+.rounded-b {
+  border-bottom-right-radius: .25rem;
+  border-bottom-left-radius: .25rem;
+}
+
+.rounded-l {
+  border-top-left-radius: .25rem;
+  border-bottom-left-radius: .25rem;
+}
+
 .rounded-sm {
   border-radius: .125rem;
 }
 
+.rounded-t-sm {
+  border-top-right-radius: .125rem;
+  border-top-left-radius: .125rem;
+}
+
+.rounded-r-sm {
+  border-top-right-radius: .125rem;
+  border-bottom-right-radius: .125rem;
+}
+
+.rounded-b-sm {
+  border-bottom-right-radius: .125rem;
+  border-bottom-left-radius: .125rem;
+}
+
+.rounded-l-sm {
+  border-top-left-radius: .125rem;
+  border-bottom-left-radius: .125rem;
+}
+
 .rounded-lg {
   border-radius: .5rem;
 }
 
+.rounded-t-lg {
+  border-top-right-radius: .5rem;
+  border-top-left-radius: .5rem;
+}
+
+.rounded-r-lg {
+  border-top-right-radius: .5rem;
+  border-bottom-right-radius: .5rem;
+}
+
+.rounded-b-lg {
+  border-bottom-right-radius: .5rem;
+  border-bottom-left-radius: .5rem;
+}
+
+.rounded-l-lg {
+  border-top-left-radius: .5rem;
+  border-bottom-left-radius: .5rem;
+}
+
 .rounded-full {
   border-radius: 9999px;
 }
 
+.rounded-t-full {
+  border-top-right-radius: 9999px;
+  border-top-left-radius: 9999px;
+}
+
+.rounded-r-full {
+  border-top-right-radius: 9999px;
+  border-bottom-right-radius: 9999px;
+}
+
+.rounded-b-full {
+  border-bottom-right-radius: 9999px;
+  border-bottom-left-radius: 9999px;
+}
+
+.rounded-l-full {
+  border-top-left-radius: 9999px;
+  border-bottom-left-radius: 9999px;
+}
+
 .rounded-none {
   border-radius: 0;
 }
 
-.rounded-t {
+.rounded-t-none {
+  border-top-right-radius: 0;
+  border-top-left-radius: 0;
+}
+
+.rounded-r-none {
+  border-top-right-radius: 0;
+  border-bottom-right-radius: 0;
+}
+
+.rounded-b-none {
   border-bottom-right-radius: 0;
   border-bottom-left-radius: 0;
 }
 
-.rounded-r {
+.rounded-l-none {
+  border-top-left-radius: 0;
   border-bottom-left-radius: 0;
-  border-top-left-radius: 0;
-}
-
-.rounded-b {
-  border-top-left-radius: 0;
-  border-top-right-radius: 0;
-}
-
-.rounded-l {
-  border-top-right-radius: 0;
-  border-bottom-right-radius: 0;
 }
 
 .block {
@@ -5076,40 +5156,120 @@ button,
     border-radius: .25rem;
   }
 
+  .sm\:rounded-t {
+    border-top-right-radius: .25rem;
+    border-top-left-radius: .25rem;
+  }
+
+  .sm\:rounded-r {
+    border-top-right-radius: .25rem;
+    border-bottom-right-radius: .25rem;
+  }
+
+  .sm\:rounded-b {
+    border-bottom-right-radius: .25rem;
+    border-bottom-left-radius: .25rem;
+  }
+
+  .sm\:rounded-l {
+    border-top-left-radius: .25rem;
+    border-bottom-left-radius: .25rem;
+  }
+
   .sm\:rounded-sm {
     border-radius: .125rem;
   }
 
+  .sm\:rounded-t-sm {
+    border-top-right-radius: .125rem;
+    border-top-left-radius: .125rem;
+  }
+
+  .sm\:rounded-r-sm {
+    border-top-right-radius: .125rem;
+    border-bottom-right-radius: .125rem;
+  }
+
+  .sm\:rounded-b-sm {
+    border-bottom-right-radius: .125rem;
+    border-bottom-left-radius: .125rem;
+  }
+
+  .sm\:rounded-l-sm {
+    border-top-left-radius: .125rem;
+    border-bottom-left-radius: .125rem;
+  }
+
   .sm\:rounded-lg {
     border-radius: .5rem;
   }
 
+  .sm\:rounded-t-lg {
+    border-top-right-radius: .5rem;
+    border-top-left-radius: .5rem;
+  }
+
+  .sm\:rounded-r-lg {
+    border-top-right-radius: .5rem;
+    border-bottom-right-radius: .5rem;
+  }
+
+  .sm\:rounded-b-lg {
+    border-bottom-right-radius: .5rem;
+    border-bottom-left-radius: .5rem;
+  }
+
+  .sm\:rounded-l-lg {
+    border-top-left-radius: .5rem;
+    border-bottom-left-radius: .5rem;
+  }
+
   .sm\:rounded-full {
     border-radius: 9999px;
   }
 
+  .sm\:rounded-t-full {
+    border-top-right-radius: 9999px;
+    border-top-left-radius: 9999px;
+  }
+
+  .sm\:rounded-r-full {
+    border-top-right-radius: 9999px;
+    border-bottom-right-radius: 9999px;
+  }
+
+  .sm\:rounded-b-full {
+    border-bottom-right-radius: 9999px;
+    border-bottom-left-radius: 9999px;
+  }
+
+  .sm\:rounded-l-full {
+    border-top-left-radius: 9999px;
+    border-bottom-left-radius: 9999px;
+  }
+
   .sm\:rounded-none {
     border-radius: 0;
   }
 
-  .sm\:rounded-t {
+  .sm\:rounded-t-none {
+    border-top-right-radius: 0;
+    border-top-left-radius: 0;
+  }
+
+  .sm\:rounded-r-none {
+    border-top-right-radius: 0;
+    border-bottom-right-radius: 0;
+  }
+
+  .sm\:rounded-b-none {
     border-bottom-right-radius: 0;
     border-bottom-left-radius: 0;
   }
 
-  .sm\:rounded-r {
+  .sm\:rounded-l-none {
+    border-top-left-radius: 0;
     border-bottom-left-radius: 0;
-    border-top-left-radius: 0;
-  }
-
-  .sm\:rounded-b {
-    border-top-left-radius: 0;
-    border-top-right-radius: 0;
-  }
-
-  .sm\:rounded-l {
-    border-top-right-radius: 0;
-    border-bottom-right-radius: 0;
   }
 
   .sm\:block {
@@ -8037,40 +8197,120 @@ button,
     border-radius: .25rem;
   }
 
+  .md\:rounded-t {
+    border-top-right-radius: .25rem;
+    border-top-left-radius: .25rem;
+  }
+
+  .md\:rounded-r {
+    border-top-right-radius: .25rem;
+    border-bottom-right-radius: .25rem;
+  }
+
+  .md\:rounded-b {
+    border-bottom-right-radius: .25rem;
+    border-bottom-left-radius: .25rem;
+  }
+
+  .md\:rounded-l {
+    border-top-left-radius: .25rem;
+    border-bottom-left-radius: .25rem;
+  }
+
   .md\:rounded-sm {
     border-radius: .125rem;
   }
 
+  .md\:rounded-t-sm {
+    border-top-right-radius: .125rem;
+    border-top-left-radius: .125rem;
+  }
+
+  .md\:rounded-r-sm {
+    border-top-right-radius: .125rem;
+    border-bottom-right-radius: .125rem;
+  }
+
+  .md\:rounded-b-sm {
+    border-bottom-right-radius: .125rem;
+    border-bottom-left-radius: .125rem;
+  }
+
+  .md\:rounded-l-sm {
+    border-top-left-radius: .125rem;
+    border-bottom-left-radius: .125rem;
+  }
+
   .md\:rounded-lg {
     border-radius: .5rem;
   }
 
+  .md\:rounded-t-lg {
+    border-top-right-radius: .5rem;
+    border-top-left-radius: .5rem;
+  }
+
+  .md\:rounded-r-lg {
+    border-top-right-radius: .5rem;
+    border-bottom-right-radius: .5rem;
+  }
+
+  .md\:rounded-b-lg {
+    border-bottom-right-radius: .5rem;
+    border-bottom-left-radius: .5rem;
+  }
+
+  .md\:rounded-l-lg {
+    border-top-left-radius: .5rem;
+    border-bottom-left-radius: .5rem;
+  }
+
   .md\:rounded-full {
     border-radius: 9999px;
   }
 
+  .md\:rounded-t-full {
+    border-top-right-radius: 9999px;
+    border-top-left-radius: 9999px;
+  }
+
+  .md\:rounded-r-full {
+    border-top-right-radius: 9999px;
+    border-bottom-right-radius: 9999px;
+  }
+
+  .md\:rounded-b-full {
+    border-bottom-right-radius: 9999px;
+    border-bottom-left-radius: 9999px;
+  }
+
+  .md\:rounded-l-full {
+    border-top-left-radius: 9999px;
+    border-bottom-left-radius: 9999px;
+  }
+
   .md\:rounded-none {
     border-radius: 0;
   }
 
-  .md\:rounded-t {
+  .md\:rounded-t-none {
+    border-top-right-radius: 0;
+    border-top-left-radius: 0;
+  }
+
+  .md\:rounded-r-none {
+    border-top-right-radius: 0;
+    border-bottom-right-radius: 0;
+  }
+
+  .md\:rounded-b-none {
     border-bottom-right-radius: 0;
     border-bottom-left-radius: 0;
   }
 
-  .md\:rounded-r {
+  .md\:rounded-l-none {
+    border-top-left-radius: 0;
     border-bottom-left-radius: 0;
-    border-top-left-radius: 0;
-  }
-
-  .md\:rounded-b {
-    border-top-left-radius: 0;
-    border-top-right-radius: 0;
-  }
-
-  .md\:rounded-l {
-    border-top-right-radius: 0;
-    border-bottom-right-radius: 0;
   }
 
   .md\:block {
@@ -10998,40 +11238,120 @@ button,
     border-radius: .25rem;
   }
 
+  .lg\:rounded-t {
+    border-top-right-radius: .25rem;
+    border-top-left-radius: .25rem;
+  }
+
+  .lg\:rounded-r {
+    border-top-right-radius: .25rem;
+    border-bottom-right-radius: .25rem;
+  }
+
+  .lg\:rounded-b {
+    border-bottom-right-radius: .25rem;
+    border-bottom-left-radius: .25rem;
+  }
+
+  .lg\:rounded-l {
+    border-top-left-radius: .25rem;
+    border-bottom-left-radius: .25rem;
+  }
+
   .lg\:rounded-sm {
     border-radius: .125rem;
   }
 
+  .lg\:rounded-t-sm {
+    border-top-right-radius: .125rem;
+    border-top-left-radius: .125rem;
+  }
+
+  .lg\:rounded-r-sm {
+    border-top-right-radius: .125rem;
+    border-bottom-right-radius: .125rem;
+  }
+
+  .lg\:rounded-b-sm {
+    border-bottom-right-radius: .125rem;
+    border-bottom-left-radius: .125rem;
+  }
+
+  .lg\:rounded-l-sm {
+    border-top-left-radius: .125rem;
+    border-bottom-left-radius: .125rem;
+  }
+
   .lg\:rounded-lg {
     border-radius: .5rem;
   }
 
+  .lg\:rounded-t-lg {
+    border-top-right-radius: .5rem;
+    border-top-left-radius: .5rem;
+  }
+
+  .lg\:rounded-r-lg {
+    border-top-right-radius: .5rem;
+    border-bottom-right-radius: .5rem;
+  }
+
+  .lg\:rounded-b-lg {
+    border-bottom-right-radius: .5rem;
+    border-bottom-left-radius: .5rem;
+  }
+
+  .lg\:rounded-l-lg {
+    border-top-left-radius: .5rem;
+    border-bottom-left-radius: .5rem;
+  }
+
   .lg\:rounded-full {
     border-radius: 9999px;
   }
 
+  .lg\:rounded-t-full {
+    border-top-right-radius: 9999px;
+    border-top-left-radius: 9999px;
+  }
+
+  .lg\:rounded-r-full {
+    border-top-right-radius: 9999px;
+    border-bottom-right-radius: 9999px;
+  }
+
+  .lg\:rounded-b-full {
+    border-bottom-right-radius: 9999px;
+    border-bottom-left-radius: 9999px;
+  }
+
+  .lg\:rounded-l-full {
+    border-top-left-radius: 9999px;
+    border-bottom-left-radius: 9999px;
+  }
+
   .lg\:rounded-none {
     border-radius: 0;
   }
 
-  .lg\:rounded-t {
+  .lg\:rounded-t-none {
+    border-top-right-radius: 0;
+    border-top-left-radius: 0;
+  }
+
+  .lg\:rounded-r-none {
+    border-top-right-radius: 0;
+    border-bottom-right-radius: 0;
+  }
+
+  .lg\:rounded-b-none {
     border-bottom-right-radius: 0;
     border-bottom-left-radius: 0;
   }
 
-  .lg\:rounded-r {
+  .lg\:rounded-l-none {
+    border-top-left-radius: 0;
     border-bottom-left-radius: 0;
-    border-top-left-radius: 0;
-  }
-
-  .lg\:rounded-b {
-    border-top-left-radius: 0;
-    border-top-right-radius: 0;
-  }
-
-  .lg\:rounded-l {
-    border-top-right-radius: 0;
-    border-bottom-right-radius: 0;
   }
 
   .lg\:block {
@@ -13959,40 +14279,120 @@ button,
     border-radius: .25rem;
   }
 
+  .xl\:rounded-t {
+    border-top-right-radius: .25rem;
+    border-top-left-radius: .25rem;
+  }
+
+  .xl\:rounded-r {
+    border-top-right-radius: .25rem;
+    border-bottom-right-radius: .25rem;
+  }
+
+  .xl\:rounded-b {
+    border-bottom-right-radius: .25rem;
+    border-bottom-left-radius: .25rem;
+  }
+
+  .xl\:rounded-l {
+    border-top-left-radius: .25rem;
+    border-bottom-left-radius: .25rem;
+  }
+
   .xl\:rounded-sm {
     border-radius: .125rem;
   }
 
+  .xl\:rounded-t-sm {
+    border-top-right-radius: .125rem;
+    border-top-left-radius: .125rem;
+  }
+
+  .xl\:rounded-r-sm {
+    border-top-right-radius: .125rem;
+    border-bottom-right-radius: .125rem;
+  }
+
+  .xl\:rounded-b-sm {
+    border-bottom-right-radius: .125rem;
+    border-bottom-left-radius: .125rem;
+  }
+
+  .xl\:rounded-l-sm {
+    border-top-left-radius: .125rem;
+    border-bottom-left-radius: .125rem;
+  }
+
   .xl\:rounded-lg {
     border-radius: .5rem;
   }
 
+  .xl\:rounded-t-lg {
+    border-top-right-radius: .5rem;
+    border-top-left-radius: .5rem;
+  }
+
+  .xl\:rounded-r-lg {
+    border-top-right-radius: .5rem;
+    border-bottom-right-radius: .5rem;
+  }
+
+  .xl\:rounded-b-lg {
+    border-bottom-right-radius: .5rem;
+    border-bottom-left-radius: .5rem;
+  }
+
+  .xl\:rounded-l-lg {
+    border-top-left-radius: .5rem;
+    border-bottom-left-radius: .5rem;
+  }
+
   .xl\:rounded-full {
     border-radius: 9999px;
   }
 
+  .xl\:rounded-t-full {
+    border-top-right-radius: 9999px;
+    border-top-left-radius: 9999px;
+  }
+
+  .xl\:rounded-r-full {
+    border-top-right-radius: 9999px;
+    border-bottom-right-radius: 9999px;
+  }
+
+  .xl\:rounded-b-full {
+    border-bottom-right-radius: 9999px;
+    border-bottom-left-radius: 9999px;
+  }
+
+  .xl\:rounded-l-full {
+    border-top-left-radius: 9999px;
+    border-bottom-left-radius: 9999px;
+  }
+
   .xl\:rounded-none {
     border-radius: 0;
   }
 
-  .xl\:rounded-t {
+  .xl\:rounded-t-none {
+    border-top-right-radius: 0;
+    border-top-left-radius: 0;
+  }
+
+  .xl\:rounded-r-none {
+    border-top-right-radius: 0;
+    border-bottom-right-radius: 0;
+  }
+
+  .xl\:rounded-b-none {
     border-bottom-right-radius: 0;
     border-bottom-left-radius: 0;
   }
 
-  .xl\:rounded-r {
+  .xl\:rounded-l-none {
+    border-top-left-radius: 0;
     border-bottom-left-radius: 0;
-    border-top-left-radius: 0;
-  }
-
-  .xl\:rounded-b {
-    border-top-left-radius: 0;
-    border-top-right-radius: 0;
-  }
-
-  .xl\:rounded-l {
-    border-top-right-radius: 0;
-    border-bottom-right-radius: 0;
   }
 
   .xl\:block {
diff --git a/src/generators/rounded.js b/src/generators/rounded.js
index b251725a2..f31d8031d 100644
--- a/src/generators/rounded.js
+++ b/src/generators/rounded.js
@@ -1,35 +1,32 @@
 import _ from 'lodash'
-import defineClass from '../util/defineClass'
 import defineClasses from '../util/defineClasses'
 
-function sideVariants() {
+function sizedBorder(radius, modifier) {
+  modifier = modifier === 'default' ? '' : `-${modifier}`
+
   return defineClasses({
-    'rounded-t': {
-      'border-bottom-right-radius': '0',
-      'border-bottom-left-radius': '0',
+    [`rounded${modifier}`]: {
+      'border-radius': `${radius}`,
     },
-    'rounded-r': {
-      'border-bottom-left-radius': '0',
-      'border-top-left-radius': '0',
+    [`rounded-t${modifier}`]: {
+      'border-top-right-radius': `${radius}`,
+      'border-top-left-radius': `${radius}`,
     },
-    'rounded-b': {
-      'border-top-left-radius': '0',
-      'border-top-right-radius': '0',
+    [`rounded-r${modifier}`]: {
+      'border-top-right-radius': `${radius}`,
+      'border-bottom-right-radius': `${radius}`,
     },
-    'rounded-l': {
-      'border-top-right-radius': '0',
-      'border-bottom-right-radius': '0',
+    [`rounded-b${modifier}`]: {
+      'border-bottom-right-radius': `${radius}`,
+      'border-bottom-left-radius': `${radius}`,
+    },
+    [`rounded-l${modifier}`]: {
+      'border-top-left-radius': `${radius}`,
+      'border-bottom-left-radius': `${radius}`,
     },
   })
 }
 
 module.exports = function({ borderRadius }) {
-  return _(borderRadius)
-    .map((radius, modifier) => {
-      return defineClass(modifier === 'default' ? 'rounded' : `rounded-${modifier}`, {
-        'border-radius': radius,
-      })
-    })
-    .concat(sideVariants())
-    .value()
+  return _.flatMap(borderRadius, sizedBorder)
 }