From 1e8577fc9e21905f0a8eef498495cd003a754749 Mon Sep 17 00:00:00 2001
From: Nicolas Gallagher <nicolasgallagher@gmail.com>
Date: Thu, 19 Apr 2018 12:13:08 -0700
Subject: [PATCH] [fix] setting flex styles as inline styles

Reverts #648 as browsers are inconsistent in how they handle
'flex-basis', so this hack isn't effective. And React has no support for
using '!important' in inline styles.

Fix #798
---
 .../__snapshots__/serializer-test.js.snap     | 38 +++++++-------
 .../__snapshots__/index-test.js.snap          | 10 ++--
 .../__tests__/createReactDOMStyle-test.js     | 49 +++++++++----------
 .../exports/StyleSheet/createReactDOMStyle.js | 44 +++++------------
 4 files changed, 59 insertions(+), 82 deletions(-)

diff --git a/packages/react-native-web/jest/__tests__/__snapshots__/serializer-test.js.snap b/packages/react-native-web/jest/__tests__/__snapshots__/serializer-test.js.snap
index a1c7e6dc..794d59ca 100644
--- a/packages/react-native-web/jest/__tests__/__snapshots__/serializer-test.js.snap
+++ b/packages/react-native-web/jest/__tests__/__snapshots__/serializer-test.js.snap
@@ -26,7 +26,7 @@ exports[`enzyme.mount complex 1`] = `
     }
   >
     <div
-      className="rn-alignItems-1oszu61 rn-backgroundColor-1mjtqww rn-borderTopStyle-1efd50x rn-borderRightStyle-14skgim rn-borderBottomStyle-rull8r rn-borderLeftStyle-mm0ijv rn-borderTopWidth-13yce4e rn-borderRightWidth-fnigne rn-borderBottomWidth-ndvcnb rn-borderLeftWidth-gxnn5r rn-boxSizing-deolkf rn-display-6koalj rn-flexShrink-1pxmb3b rn-flexBasis-7vfszb rn-flexDirection-eqz5dr rn-marginTop-1mnahxq rn-marginRight-61z16t rn-marginBottom-p1pxzi rn-marginLeft-11wrixw rn-minHeight-ifefl9 rn-minWidth-bcqeeo rn-paddingTop-m611by rn-paddingRight-1qfoi16 rn-paddingBottom-1mi0q7o rn-paddingLeft-1hfyk0a rn-position-bnwqim rn-zIndex-1lgpqti"
+      className="rn-alignItems-1oszu61 rn-backgroundColor-1mjtqww rn-borderTopStyle-1efd50x rn-borderRightStyle-14skgim rn-borderBottomStyle-rull8r rn-borderLeftStyle-mm0ijv rn-borderTopWidth-13yce4e rn-borderRightWidth-fnigne rn-borderBottomWidth-ndvcnb rn-borderLeftWidth-gxnn5r rn-boxSizing-deolkf rn-display-6koalj rn-flexShrink-1qe8dj5 rn-flexBasis-1mlwlqe rn-flexDirection-eqz5dr rn-marginTop-1mnahxq rn-marginRight-61z16t rn-marginBottom-p1pxzi rn-marginLeft-11wrixw rn-minHeight-ifefl9 rn-minWidth-bcqeeo rn-paddingTop-m611by rn-paddingRight-1qfoi16 rn-paddingBottom-1mi0q7o rn-paddingLeft-1hfyk0a rn-position-bnwqim rn-zIndex-1lgpqti"
     >
       <Title>
         <Text
@@ -48,7 +48,7 @@ exports[`enzyme.mount complex 1`] = `
       </Title>
       <View>
         <div
-          className="rn-alignItems-1oszu61 rn-borderTopStyle-1efd50x rn-borderRightStyle-14skgim rn-borderBottomStyle-rull8r rn-borderLeftStyle-mm0ijv rn-borderTopWidth-13yce4e rn-borderRightWidth-fnigne rn-borderBottomWidth-ndvcnb rn-borderLeftWidth-gxnn5r rn-boxSizing-deolkf rn-display-6koalj rn-flexShrink-1pxmb3b rn-flexBasis-7vfszb rn-flexDirection-eqz5dr rn-marginTop-1mnahxq rn-marginRight-61z16t rn-marginBottom-p1pxzi rn-marginLeft-11wrixw rn-minHeight-ifefl9 rn-minWidth-bcqeeo rn-paddingTop-wk8lta rn-paddingRight-9aemit rn-paddingBottom-1mdbw0j rn-paddingLeft-gy4na3 rn-position-bnwqim rn-zIndex-1lgpqti"
+          className="rn-alignItems-1oszu61 rn-borderTopStyle-1efd50x rn-borderRightStyle-14skgim rn-borderBottomStyle-rull8r rn-borderLeftStyle-mm0ijv rn-borderTopWidth-13yce4e rn-borderRightWidth-fnigne rn-borderBottomWidth-ndvcnb rn-borderLeftWidth-gxnn5r rn-boxSizing-deolkf rn-display-6koalj rn-flexShrink-1qe8dj5 rn-flexBasis-1mlwlqe rn-flexDirection-eqz5dr rn-marginTop-1mnahxq rn-marginRight-61z16t rn-marginBottom-p1pxzi rn-marginLeft-11wrixw rn-minHeight-ifefl9 rn-minWidth-bcqeeo rn-paddingTop-wk8lta rn-paddingRight-9aemit rn-paddingBottom-1mdbw0j rn-paddingLeft-gy4na3 rn-position-bnwqim rn-zIndex-1lgpqti"
         >
           <View
             style={
@@ -58,7 +58,7 @@ exports[`enzyme.mount complex 1`] = `
             }
           >
             <div
-              className="rn-alignItems-1oszu61 rn-borderTopStyle-1efd50x rn-borderRightStyle-14skgim rn-borderBottomStyle-rull8r rn-borderLeftStyle-mm0ijv rn-borderTopWidth-13yce4e rn-borderRightWidth-fnigne rn-borderBottomWidth-ndvcnb rn-borderLeftWidth-gxnn5r rn-boxSizing-deolkf rn-display-6koalj rn-flexShrink-1pxmb3b rn-flexBasis-7vfszb rn-flexDirection-eqz5dr rn-marginTop-1mnahxq rn-marginRight-61z16t rn-marginBottom-p1pxzi rn-marginLeft-11wrixw rn-minHeight-ifefl9 rn-minWidth-bcqeeo rn-paddingTop-1knelpx rn-paddingRight-1ah4tor rn-paddingBottom-k8qxaj rn-paddingLeft-b5h31w rn-position-bnwqim rn-zIndex-1lgpqti"
+              className="rn-alignItems-1oszu61 rn-borderTopStyle-1efd50x rn-borderRightStyle-14skgim rn-borderBottomStyle-rull8r rn-borderLeftStyle-mm0ijv rn-borderTopWidth-13yce4e rn-borderRightWidth-fnigne rn-borderBottomWidth-ndvcnb rn-borderLeftWidth-gxnn5r rn-boxSizing-deolkf rn-display-6koalj rn-flexShrink-1qe8dj5 rn-flexBasis-1mlwlqe rn-flexDirection-eqz5dr rn-marginTop-1mnahxq rn-marginRight-61z16t rn-marginBottom-p1pxzi rn-marginLeft-11wrixw rn-minHeight-ifefl9 rn-minWidth-bcqeeo rn-paddingTop-1knelpx rn-paddingRight-1ah4tor rn-paddingBottom-k8qxaj rn-paddingLeft-b5h31w rn-position-bnwqim rn-zIndex-1lgpqti"
             />
           </View>
           <Text>
@@ -87,7 +87,7 @@ exports[`enzyme.mount composite 1`] = `
     }
   >
     <div
-      className="rn-alignItems-1oszu61 rn-backgroundColor-1mjtqww rn-borderTopStyle-1efd50x rn-borderRightStyle-14skgim rn-borderBottomStyle-rull8r rn-borderLeftStyle-mm0ijv rn-borderTopWidth-13yce4e rn-borderRightWidth-fnigne rn-borderBottomWidth-ndvcnb rn-borderLeftWidth-gxnn5r rn-boxSizing-deolkf rn-display-6koalj rn-flexShrink-1pxmb3b rn-flexBasis-7vfszb rn-flexDirection-eqz5dr rn-marginTop-1mnahxq rn-marginRight-61z16t rn-marginBottom-p1pxzi rn-marginLeft-11wrixw rn-minHeight-ifefl9 rn-minWidth-bcqeeo rn-paddingTop-m611by rn-paddingRight-1qfoi16 rn-paddingBottom-1mi0q7o rn-paddingLeft-1hfyk0a rn-position-bnwqim rn-zIndex-1lgpqti"
+      className="rn-alignItems-1oszu61 rn-backgroundColor-1mjtqww rn-borderTopStyle-1efd50x rn-borderRightStyle-14skgim rn-borderBottomStyle-rull8r rn-borderLeftStyle-mm0ijv rn-borderTopWidth-13yce4e rn-borderRightWidth-fnigne rn-borderBottomWidth-ndvcnb rn-borderLeftWidth-gxnn5r rn-boxSizing-deolkf rn-display-6koalj rn-flexShrink-1qe8dj5 rn-flexBasis-1mlwlqe rn-flexDirection-eqz5dr rn-marginTop-1mnahxq rn-marginRight-61z16t rn-marginBottom-p1pxzi rn-marginLeft-11wrixw rn-minHeight-ifefl9 rn-minWidth-bcqeeo rn-paddingTop-m611by rn-paddingRight-1qfoi16 rn-paddingBottom-1mi0q7o rn-paddingLeft-1hfyk0a rn-position-bnwqim rn-zIndex-1lgpqti"
     />
   </View>
 </Box>
@@ -104,7 +104,7 @@ exports[`enzyme.mount nested 1`] = `
     }
   >
     <div
-      className="rn-alignItems-1oszu61 rn-backgroundColor-1mjtqww rn-borderTopStyle-1efd50x rn-borderRightStyle-14skgim rn-borderBottomStyle-rull8r rn-borderLeftStyle-mm0ijv rn-borderTopWidth-13yce4e rn-borderRightWidth-fnigne rn-borderBottomWidth-ndvcnb rn-borderLeftWidth-gxnn5r rn-boxSizing-deolkf rn-display-6koalj rn-flexShrink-1pxmb3b rn-flexBasis-7vfszb rn-flexDirection-eqz5dr rn-marginTop-1mnahxq rn-marginRight-61z16t rn-marginBottom-p1pxzi rn-marginLeft-11wrixw rn-minHeight-ifefl9 rn-minWidth-bcqeeo rn-paddingTop-m611by rn-paddingRight-1qfoi16 rn-paddingBottom-1mi0q7o rn-paddingLeft-1hfyk0a rn-position-bnwqim rn-zIndex-1lgpqti"
+      className="rn-alignItems-1oszu61 rn-backgroundColor-1mjtqww rn-borderTopStyle-1efd50x rn-borderRightStyle-14skgim rn-borderBottomStyle-rull8r rn-borderLeftStyle-mm0ijv rn-borderTopWidth-13yce4e rn-borderRightWidth-fnigne rn-borderBottomWidth-ndvcnb rn-borderLeftWidth-gxnn5r rn-boxSizing-deolkf rn-display-6koalj rn-flexShrink-1qe8dj5 rn-flexBasis-1mlwlqe rn-flexDirection-eqz5dr rn-marginTop-1mnahxq rn-marginRight-61z16t rn-marginBottom-p1pxzi rn-marginLeft-11wrixw rn-minHeight-ifefl9 rn-minWidth-bcqeeo rn-paddingTop-m611by rn-paddingRight-1qfoi16 rn-paddingBottom-1mi0q7o rn-paddingLeft-1hfyk0a rn-position-bnwqim rn-zIndex-1lgpqti"
     >
       <Title>
         <Text
@@ -132,14 +132,14 @@ exports[`enzyme.mount nested 1`] = `
 exports[`enzyme.mount noop 1`] = `
 <View>
   <div
-    className="rn-alignItems-1oszu61 rn-borderTopStyle-1efd50x rn-borderRightStyle-14skgim rn-borderBottomStyle-rull8r rn-borderLeftStyle-mm0ijv rn-borderTopWidth-13yce4e rn-borderRightWidth-fnigne rn-borderBottomWidth-ndvcnb rn-borderLeftWidth-gxnn5r rn-boxSizing-deolkf rn-display-6koalj rn-flexShrink-1pxmb3b rn-flexBasis-7vfszb rn-flexDirection-eqz5dr rn-marginTop-1mnahxq rn-marginRight-61z16t rn-marginBottom-p1pxzi rn-marginLeft-11wrixw rn-minHeight-ifefl9 rn-minWidth-bcqeeo rn-paddingTop-wk8lta rn-paddingRight-9aemit rn-paddingBottom-1mdbw0j rn-paddingLeft-gy4na3 rn-position-bnwqim rn-zIndex-1lgpqti"
+    className="rn-alignItems-1oszu61 rn-borderTopStyle-1efd50x rn-borderRightStyle-14skgim rn-borderBottomStyle-rull8r rn-borderLeftStyle-mm0ijv rn-borderTopWidth-13yce4e rn-borderRightWidth-fnigne rn-borderBottomWidth-ndvcnb rn-borderLeftWidth-gxnn5r rn-boxSizing-deolkf rn-display-6koalj rn-flexShrink-1qe8dj5 rn-flexBasis-1mlwlqe rn-flexDirection-eqz5dr rn-marginTop-1mnahxq rn-marginRight-61z16t rn-marginBottom-p1pxzi rn-marginLeft-11wrixw rn-minHeight-ifefl9 rn-minWidth-bcqeeo rn-paddingTop-wk8lta rn-paddingRight-9aemit rn-paddingBottom-1mdbw0j rn-paddingLeft-gy4na3 rn-position-bnwqim rn-zIndex-1lgpqti"
   />
 </View>
 `;
 
 exports[`enzyme.render complex 1`] = `
 <div
-  class="rn-alignItems-1oszu61 rn-backgroundColor-1mjtqww rn-borderTopStyle-1efd50x rn-borderRightStyle-14skgim rn-borderBottomStyle-rull8r rn-borderLeftStyle-mm0ijv rn-borderTopWidth-13yce4e rn-borderRightWidth-fnigne rn-borderBottomWidth-ndvcnb rn-borderLeftWidth-gxnn5r rn-boxSizing-deolkf rn-display-6koalj rn-flexShrink-1pxmb3b rn-flexBasis-7vfszb rn-flexDirection-eqz5dr rn-marginTop-1mnahxq rn-marginRight-61z16t rn-marginBottom-p1pxzi rn-marginLeft-11wrixw rn-minHeight-ifefl9 rn-minWidth-bcqeeo rn-paddingTop-m611by rn-paddingRight-1qfoi16 rn-paddingBottom-1mi0q7o rn-paddingLeft-1hfyk0a rn-position-bnwqim rn-zIndex-1lgpqti"
+  class="rn-alignItems-1oszu61 rn-backgroundColor-1mjtqww rn-borderTopStyle-1efd50x rn-borderRightStyle-14skgim rn-borderBottomStyle-rull8r rn-borderLeftStyle-mm0ijv rn-borderTopWidth-13yce4e rn-borderRightWidth-fnigne rn-borderBottomWidth-ndvcnb rn-borderLeftWidth-gxnn5r rn-boxSizing-deolkf rn-display-6koalj rn-flexShrink-1qe8dj5 rn-flexBasis-1mlwlqe rn-flexDirection-eqz5dr rn-marginTop-1mnahxq rn-marginRight-61z16t rn-marginBottom-p1pxzi rn-marginLeft-11wrixw rn-minHeight-ifefl9 rn-minWidth-bcqeeo rn-paddingTop-m611by rn-paddingRight-1qfoi16 rn-paddingBottom-1mi0q7o rn-paddingLeft-1hfyk0a rn-position-bnwqim rn-zIndex-1lgpqti"
 >
   <div
     class="rn-borderTopWidth-13yce4e rn-borderRightWidth-fnigne rn-borderBottomWidth-ndvcnb rn-borderLeftWidth-gxnn5r rn-boxSizing-deolkf rn-color-1bodaif rn-display-1471scf rn-fontFamily-14xgk7a rn-fontSize-ubezar rn-fontStyle-o11vmf rn-fontVariant-ebii48 rn-fontWeight-gul640 rn-lineHeight-t9a87b rn-marginTop-1mnahxq rn-marginRight-61z16t rn-marginBottom-p1pxzi rn-marginLeft-11wrixw rn-paddingTop-wk8lta rn-paddingRight-9aemit rn-paddingBottom-1mdbw0j rn-paddingLeft-gy4na3 rn-verticalAlign-9iso6 rn-textDecoration-bauka4 rn-whiteSpace-q42fyq rn-wordWrap-qvutc0"
@@ -148,10 +148,10 @@ exports[`enzyme.render complex 1`] = `
     Hello World
   </div>
   <div
-    class="rn-alignItems-1oszu61 rn-borderTopStyle-1efd50x rn-borderRightStyle-14skgim rn-borderBottomStyle-rull8r rn-borderLeftStyle-mm0ijv rn-borderTopWidth-13yce4e rn-borderRightWidth-fnigne rn-borderBottomWidth-ndvcnb rn-borderLeftWidth-gxnn5r rn-boxSizing-deolkf rn-display-6koalj rn-flexShrink-1pxmb3b rn-flexBasis-7vfszb rn-flexDirection-eqz5dr rn-marginTop-1mnahxq rn-marginRight-61z16t rn-marginBottom-p1pxzi rn-marginLeft-11wrixw rn-minHeight-ifefl9 rn-minWidth-bcqeeo rn-paddingTop-wk8lta rn-paddingRight-9aemit rn-paddingBottom-1mdbw0j rn-paddingLeft-gy4na3 rn-position-bnwqim rn-zIndex-1lgpqti"
+    class="rn-alignItems-1oszu61 rn-borderTopStyle-1efd50x rn-borderRightStyle-14skgim rn-borderBottomStyle-rull8r rn-borderLeftStyle-mm0ijv rn-borderTopWidth-13yce4e rn-borderRightWidth-fnigne rn-borderBottomWidth-ndvcnb rn-borderLeftWidth-gxnn5r rn-boxSizing-deolkf rn-display-6koalj rn-flexShrink-1qe8dj5 rn-flexBasis-1mlwlqe rn-flexDirection-eqz5dr rn-marginTop-1mnahxq rn-marginRight-61z16t rn-marginBottom-p1pxzi rn-marginLeft-11wrixw rn-minHeight-ifefl9 rn-minWidth-bcqeeo rn-paddingTop-wk8lta rn-paddingRight-9aemit rn-paddingBottom-1mdbw0j rn-paddingLeft-gy4na3 rn-position-bnwqim rn-zIndex-1lgpqti"
   >
     <div
-      class="rn-alignItems-1oszu61 rn-borderTopStyle-1efd50x rn-borderRightStyle-14skgim rn-borderBottomStyle-rull8r rn-borderLeftStyle-mm0ijv rn-borderTopWidth-13yce4e rn-borderRightWidth-fnigne rn-borderBottomWidth-ndvcnb rn-borderLeftWidth-gxnn5r rn-boxSizing-deolkf rn-display-6koalj rn-flexShrink-1pxmb3b rn-flexBasis-7vfszb rn-flexDirection-eqz5dr rn-marginTop-1mnahxq rn-marginRight-61z16t rn-marginBottom-p1pxzi rn-marginLeft-11wrixw rn-minHeight-ifefl9 rn-minWidth-bcqeeo rn-paddingTop-1knelpx rn-paddingRight-1ah4tor rn-paddingBottom-k8qxaj rn-paddingLeft-b5h31w rn-position-bnwqim rn-zIndex-1lgpqti"
+      class="rn-alignItems-1oszu61 rn-borderTopStyle-1efd50x rn-borderRightStyle-14skgim rn-borderBottomStyle-rull8r rn-borderLeftStyle-mm0ijv rn-borderTopWidth-13yce4e rn-borderRightWidth-fnigne rn-borderBottomWidth-ndvcnb rn-borderLeftWidth-gxnn5r rn-boxSizing-deolkf rn-display-6koalj rn-flexShrink-1qe8dj5 rn-flexBasis-1mlwlqe rn-flexDirection-eqz5dr rn-marginTop-1mnahxq rn-marginRight-61z16t rn-marginBottom-p1pxzi rn-marginLeft-11wrixw rn-minHeight-ifefl9 rn-minWidth-bcqeeo rn-paddingTop-1knelpx rn-paddingRight-1ah4tor rn-paddingBottom-k8qxaj rn-paddingLeft-b5h31w rn-position-bnwqim rn-zIndex-1lgpqti"
     />
     <div
       class="rn-borderTopWidth-13yce4e rn-borderRightWidth-fnigne rn-borderBottomWidth-ndvcnb rn-borderLeftWidth-gxnn5r rn-boxSizing-deolkf rn-color-homxoj rn-display-1471scf rn-fontFamily-14xgk7a rn-fontSize-1b43r93 rn-fontStyle-o11vmf rn-fontVariant-ebii48 rn-fontWeight-gul640 rn-lineHeight-t9a87b rn-marginTop-1mnahxq rn-marginRight-61z16t rn-marginBottom-p1pxzi rn-marginLeft-11wrixw rn-paddingTop-wk8lta rn-paddingRight-9aemit rn-paddingBottom-1mdbw0j rn-paddingLeft-gy4na3 rn-textDecoration-bauka4 rn-whiteSpace-q42fyq rn-wordWrap-qvutc0"
@@ -165,13 +165,13 @@ exports[`enzyme.render complex 1`] = `
 
 exports[`enzyme.render composite 1`] = `
 <div
-  class="rn-alignItems-1oszu61 rn-backgroundColor-1mjtqww rn-borderTopStyle-1efd50x rn-borderRightStyle-14skgim rn-borderBottomStyle-rull8r rn-borderLeftStyle-mm0ijv rn-borderTopWidth-13yce4e rn-borderRightWidth-fnigne rn-borderBottomWidth-ndvcnb rn-borderLeftWidth-gxnn5r rn-boxSizing-deolkf rn-display-6koalj rn-flexShrink-1pxmb3b rn-flexBasis-7vfszb rn-flexDirection-eqz5dr rn-marginTop-1mnahxq rn-marginRight-61z16t rn-marginBottom-p1pxzi rn-marginLeft-11wrixw rn-minHeight-ifefl9 rn-minWidth-bcqeeo rn-paddingTop-m611by rn-paddingRight-1qfoi16 rn-paddingBottom-1mi0q7o rn-paddingLeft-1hfyk0a rn-position-bnwqim rn-zIndex-1lgpqti"
+  class="rn-alignItems-1oszu61 rn-backgroundColor-1mjtqww rn-borderTopStyle-1efd50x rn-borderRightStyle-14skgim rn-borderBottomStyle-rull8r rn-borderLeftStyle-mm0ijv rn-borderTopWidth-13yce4e rn-borderRightWidth-fnigne rn-borderBottomWidth-ndvcnb rn-borderLeftWidth-gxnn5r rn-boxSizing-deolkf rn-display-6koalj rn-flexShrink-1qe8dj5 rn-flexBasis-1mlwlqe rn-flexDirection-eqz5dr rn-marginTop-1mnahxq rn-marginRight-61z16t rn-marginBottom-p1pxzi rn-marginLeft-11wrixw rn-minHeight-ifefl9 rn-minWidth-bcqeeo rn-paddingTop-m611by rn-paddingRight-1qfoi16 rn-paddingBottom-1mi0q7o rn-paddingLeft-1hfyk0a rn-position-bnwqim rn-zIndex-1lgpqti"
 />
 `;
 
 exports[`enzyme.render nested 1`] = `
 <div
-  class="rn-alignItems-1oszu61 rn-backgroundColor-1mjtqww rn-borderTopStyle-1efd50x rn-borderRightStyle-14skgim rn-borderBottomStyle-rull8r rn-borderLeftStyle-mm0ijv rn-borderTopWidth-13yce4e rn-borderRightWidth-fnigne rn-borderBottomWidth-ndvcnb rn-borderLeftWidth-gxnn5r rn-boxSizing-deolkf rn-display-6koalj rn-flexShrink-1pxmb3b rn-flexBasis-7vfszb rn-flexDirection-eqz5dr rn-marginTop-1mnahxq rn-marginRight-61z16t rn-marginBottom-p1pxzi rn-marginLeft-11wrixw rn-minHeight-ifefl9 rn-minWidth-bcqeeo rn-paddingTop-m611by rn-paddingRight-1qfoi16 rn-paddingBottom-1mi0q7o rn-paddingLeft-1hfyk0a rn-position-bnwqim rn-zIndex-1lgpqti"
+  class="rn-alignItems-1oszu61 rn-backgroundColor-1mjtqww rn-borderTopStyle-1efd50x rn-borderRightStyle-14skgim rn-borderBottomStyle-rull8r rn-borderLeftStyle-mm0ijv rn-borderTopWidth-13yce4e rn-borderRightWidth-fnigne rn-borderBottomWidth-ndvcnb rn-borderLeftWidth-gxnn5r rn-boxSizing-deolkf rn-display-6koalj rn-flexShrink-1qe8dj5 rn-flexBasis-1mlwlqe rn-flexDirection-eqz5dr rn-marginTop-1mnahxq rn-marginRight-61z16t rn-marginBottom-p1pxzi rn-marginLeft-11wrixw rn-minHeight-ifefl9 rn-minWidth-bcqeeo rn-paddingTop-m611by rn-paddingRight-1qfoi16 rn-paddingBottom-1mi0q7o rn-paddingLeft-1hfyk0a rn-position-bnwqim rn-zIndex-1lgpqti"
 >
   <div
     class="rn-borderTopWidth-13yce4e rn-borderRightWidth-fnigne rn-borderBottomWidth-ndvcnb rn-borderLeftWidth-gxnn5r rn-boxSizing-deolkf rn-color-1bodaif rn-display-1471scf rn-fontFamily-14xgk7a rn-fontSize-ubezar rn-fontStyle-o11vmf rn-fontVariant-ebii48 rn-fontWeight-gul640 rn-lineHeight-t9a87b rn-marginTop-1mnahxq rn-marginRight-61z16t rn-marginBottom-p1pxzi rn-marginLeft-11wrixw rn-paddingTop-wk8lta rn-paddingRight-9aemit rn-paddingBottom-1mdbw0j rn-paddingLeft-gy4na3 rn-verticalAlign-9iso6 rn-textDecoration-bauka4 rn-whiteSpace-q42fyq rn-wordWrap-qvutc0"
@@ -184,7 +184,7 @@ exports[`enzyme.render nested 1`] = `
 
 exports[`enzyme.render noop 1`] = `
 <div
-  class="rn-alignItems-1oszu61 rn-borderTopStyle-1efd50x rn-borderRightStyle-14skgim rn-borderBottomStyle-rull8r rn-borderLeftStyle-mm0ijv rn-borderTopWidth-13yce4e rn-borderRightWidth-fnigne rn-borderBottomWidth-ndvcnb rn-borderLeftWidth-gxnn5r rn-boxSizing-deolkf rn-display-6koalj rn-flexShrink-1pxmb3b rn-flexBasis-7vfszb rn-flexDirection-eqz5dr rn-marginTop-1mnahxq rn-marginRight-61z16t rn-marginBottom-p1pxzi rn-marginLeft-11wrixw rn-minHeight-ifefl9 rn-minWidth-bcqeeo rn-paddingTop-wk8lta rn-paddingRight-9aemit rn-paddingBottom-1mdbw0j rn-paddingLeft-gy4na3 rn-position-bnwqim rn-zIndex-1lgpqti"
+  class="rn-alignItems-1oszu61 rn-borderTopStyle-1efd50x rn-borderRightStyle-14skgim rn-borderBottomStyle-rull8r rn-borderLeftStyle-mm0ijv rn-borderTopWidth-13yce4e rn-borderRightWidth-fnigne rn-borderBottomWidth-ndvcnb rn-borderLeftWidth-gxnn5r rn-boxSizing-deolkf rn-display-6koalj rn-flexShrink-1qe8dj5 rn-flexBasis-1mlwlqe rn-flexDirection-eqz5dr rn-marginTop-1mnahxq rn-marginRight-61z16t rn-marginBottom-p1pxzi rn-marginLeft-11wrixw rn-minHeight-ifefl9 rn-minWidth-bcqeeo rn-paddingTop-wk8lta rn-paddingRight-9aemit rn-paddingBottom-1mdbw0j rn-paddingLeft-gy4na3 rn-position-bnwqim rn-zIndex-1lgpqti"
 />
 `;
 
@@ -243,13 +243,13 @@ exports[`enzyme.shallow nested 1`] = `
 
 exports[`enzyme.shallow noop 1`] = `
 <div
-  className="rn-alignItems-1oszu61 rn-borderTopStyle-1efd50x rn-borderRightStyle-14skgim rn-borderBottomStyle-rull8r rn-borderLeftStyle-mm0ijv rn-borderTopWidth-13yce4e rn-borderRightWidth-fnigne rn-borderBottomWidth-ndvcnb rn-borderLeftWidth-gxnn5r rn-boxSizing-deolkf rn-display-6koalj rn-flexShrink-1pxmb3b rn-flexBasis-7vfszb rn-flexDirection-eqz5dr rn-marginTop-1mnahxq rn-marginRight-61z16t rn-marginBottom-p1pxzi rn-marginLeft-11wrixw rn-minHeight-ifefl9 rn-minWidth-bcqeeo rn-paddingTop-wk8lta rn-paddingRight-9aemit rn-paddingBottom-1mdbw0j rn-paddingLeft-gy4na3 rn-position-bnwqim rn-zIndex-1lgpqti"
+  className="rn-alignItems-1oszu61 rn-borderTopStyle-1efd50x rn-borderRightStyle-14skgim rn-borderBottomStyle-rull8r rn-borderLeftStyle-mm0ijv rn-borderTopWidth-13yce4e rn-borderRightWidth-fnigne rn-borderBottomWidth-ndvcnb rn-borderLeftWidth-gxnn5r rn-boxSizing-deolkf rn-display-6koalj rn-flexShrink-1qe8dj5 rn-flexBasis-1mlwlqe rn-flexDirection-eqz5dr rn-marginTop-1mnahxq rn-marginRight-61z16t rn-marginBottom-p1pxzi rn-marginLeft-11wrixw rn-minHeight-ifefl9 rn-minWidth-bcqeeo rn-paddingTop-wk8lta rn-paddingRight-9aemit rn-paddingBottom-1mdbw0j rn-paddingLeft-gy4na3 rn-position-bnwqim rn-zIndex-1lgpqti"
 />
 `;
 
 exports[`react-test-renderer complex 1`] = `
 <div
-  className="rn-alignItems-1oszu61 rn-backgroundColor-1mjtqww rn-borderTopStyle-1efd50x rn-borderRightStyle-14skgim rn-borderBottomStyle-rull8r rn-borderLeftStyle-mm0ijv rn-borderTopWidth-13yce4e rn-borderRightWidth-fnigne rn-borderBottomWidth-ndvcnb rn-borderLeftWidth-gxnn5r rn-boxSizing-deolkf rn-display-6koalj rn-flexShrink-1pxmb3b rn-flexBasis-7vfszb rn-flexDirection-eqz5dr rn-marginTop-1mnahxq rn-marginRight-61z16t rn-marginBottom-p1pxzi rn-marginLeft-11wrixw rn-minHeight-ifefl9 rn-minWidth-bcqeeo rn-paddingTop-m611by rn-paddingRight-1qfoi16 rn-paddingBottom-1mi0q7o rn-paddingLeft-1hfyk0a rn-position-bnwqim rn-zIndex-1lgpqti"
+  className="rn-alignItems-1oszu61 rn-backgroundColor-1mjtqww rn-borderTopStyle-1efd50x rn-borderRightStyle-14skgim rn-borderBottomStyle-rull8r rn-borderLeftStyle-mm0ijv rn-borderTopWidth-13yce4e rn-borderRightWidth-fnigne rn-borderBottomWidth-ndvcnb rn-borderLeftWidth-gxnn5r rn-boxSizing-deolkf rn-display-6koalj rn-flexShrink-1qe8dj5 rn-flexBasis-1mlwlqe rn-flexDirection-eqz5dr rn-marginTop-1mnahxq rn-marginRight-61z16t rn-marginBottom-p1pxzi rn-marginLeft-11wrixw rn-minHeight-ifefl9 rn-minWidth-bcqeeo rn-paddingTop-m611by rn-paddingRight-1qfoi16 rn-paddingBottom-1mi0q7o rn-paddingLeft-1hfyk0a rn-position-bnwqim rn-zIndex-1lgpqti"
 >
   <div
     className="rn-borderTopWidth-13yce4e rn-borderRightWidth-fnigne rn-borderBottomWidth-ndvcnb rn-borderLeftWidth-gxnn5r rn-boxSizing-deolkf rn-color-1bodaif rn-display-1471scf rn-fontFamily-14xgk7a rn-fontSize-ubezar rn-fontStyle-o11vmf rn-fontVariant-ebii48 rn-fontWeight-gul640 rn-lineHeight-t9a87b rn-marginTop-1mnahxq rn-marginRight-61z16t rn-marginBottom-p1pxzi rn-marginLeft-11wrixw rn-paddingTop-wk8lta rn-paddingRight-9aemit rn-paddingBottom-1mdbw0j rn-paddingLeft-gy4na3 rn-verticalAlign-9iso6 rn-textDecoration-bauka4 rn-whiteSpace-q42fyq rn-wordWrap-qvutc0"
@@ -258,10 +258,10 @@ exports[`react-test-renderer complex 1`] = `
     Hello World
   </div>
   <div
-    className="rn-alignItems-1oszu61 rn-borderTopStyle-1efd50x rn-borderRightStyle-14skgim rn-borderBottomStyle-rull8r rn-borderLeftStyle-mm0ijv rn-borderTopWidth-13yce4e rn-borderRightWidth-fnigne rn-borderBottomWidth-ndvcnb rn-borderLeftWidth-gxnn5r rn-boxSizing-deolkf rn-display-6koalj rn-flexShrink-1pxmb3b rn-flexBasis-7vfszb rn-flexDirection-eqz5dr rn-marginTop-1mnahxq rn-marginRight-61z16t rn-marginBottom-p1pxzi rn-marginLeft-11wrixw rn-minHeight-ifefl9 rn-minWidth-bcqeeo rn-paddingTop-wk8lta rn-paddingRight-9aemit rn-paddingBottom-1mdbw0j rn-paddingLeft-gy4na3 rn-position-bnwqim rn-zIndex-1lgpqti"
+    className="rn-alignItems-1oszu61 rn-borderTopStyle-1efd50x rn-borderRightStyle-14skgim rn-borderBottomStyle-rull8r rn-borderLeftStyle-mm0ijv rn-borderTopWidth-13yce4e rn-borderRightWidth-fnigne rn-borderBottomWidth-ndvcnb rn-borderLeftWidth-gxnn5r rn-boxSizing-deolkf rn-display-6koalj rn-flexShrink-1qe8dj5 rn-flexBasis-1mlwlqe rn-flexDirection-eqz5dr rn-marginTop-1mnahxq rn-marginRight-61z16t rn-marginBottom-p1pxzi rn-marginLeft-11wrixw rn-minHeight-ifefl9 rn-minWidth-bcqeeo rn-paddingTop-wk8lta rn-paddingRight-9aemit rn-paddingBottom-1mdbw0j rn-paddingLeft-gy4na3 rn-position-bnwqim rn-zIndex-1lgpqti"
   >
     <div
-      className="rn-alignItems-1oszu61 rn-borderTopStyle-1efd50x rn-borderRightStyle-14skgim rn-borderBottomStyle-rull8r rn-borderLeftStyle-mm0ijv rn-borderTopWidth-13yce4e rn-borderRightWidth-fnigne rn-borderBottomWidth-ndvcnb rn-borderLeftWidth-gxnn5r rn-boxSizing-deolkf rn-display-6koalj rn-flexShrink-1pxmb3b rn-flexBasis-7vfszb rn-flexDirection-eqz5dr rn-marginTop-1mnahxq rn-marginRight-61z16t rn-marginBottom-p1pxzi rn-marginLeft-11wrixw rn-minHeight-ifefl9 rn-minWidth-bcqeeo rn-paddingTop-1knelpx rn-paddingRight-1ah4tor rn-paddingBottom-k8qxaj rn-paddingLeft-b5h31w rn-position-bnwqim rn-zIndex-1lgpqti"
+      className="rn-alignItems-1oszu61 rn-borderTopStyle-1efd50x rn-borderRightStyle-14skgim rn-borderBottomStyle-rull8r rn-borderLeftStyle-mm0ijv rn-borderTopWidth-13yce4e rn-borderRightWidth-fnigne rn-borderBottomWidth-ndvcnb rn-borderLeftWidth-gxnn5r rn-boxSizing-deolkf rn-display-6koalj rn-flexShrink-1qe8dj5 rn-flexBasis-1mlwlqe rn-flexDirection-eqz5dr rn-marginTop-1mnahxq rn-marginRight-61z16t rn-marginBottom-p1pxzi rn-marginLeft-11wrixw rn-minHeight-ifefl9 rn-minWidth-bcqeeo rn-paddingTop-1knelpx rn-paddingRight-1ah4tor rn-paddingBottom-k8qxaj rn-paddingLeft-b5h31w rn-position-bnwqim rn-zIndex-1lgpqti"
     />
     <div
       className="rn-borderTopWidth-13yce4e rn-borderRightWidth-fnigne rn-borderBottomWidth-ndvcnb rn-borderLeftWidth-gxnn5r rn-boxSizing-deolkf rn-color-homxoj rn-display-1471scf rn-fontFamily-14xgk7a rn-fontSize-1b43r93 rn-fontStyle-o11vmf rn-fontVariant-ebii48 rn-fontWeight-gul640 rn-lineHeight-t9a87b rn-marginTop-1mnahxq rn-marginRight-61z16t rn-marginBottom-p1pxzi rn-marginLeft-11wrixw rn-paddingTop-wk8lta rn-paddingRight-9aemit rn-paddingBottom-1mdbw0j rn-paddingLeft-gy4na3 rn-textDecoration-bauka4 rn-whiteSpace-q42fyq rn-wordWrap-qvutc0"
@@ -275,13 +275,13 @@ exports[`react-test-renderer complex 1`] = `
 
 exports[`react-test-renderer composite 1`] = `
 <div
-  className="rn-alignItems-1oszu61 rn-backgroundColor-1mjtqww rn-borderTopStyle-1efd50x rn-borderRightStyle-14skgim rn-borderBottomStyle-rull8r rn-borderLeftStyle-mm0ijv rn-borderTopWidth-13yce4e rn-borderRightWidth-fnigne rn-borderBottomWidth-ndvcnb rn-borderLeftWidth-gxnn5r rn-boxSizing-deolkf rn-display-6koalj rn-flexShrink-1pxmb3b rn-flexBasis-7vfszb rn-flexDirection-eqz5dr rn-marginTop-1mnahxq rn-marginRight-61z16t rn-marginBottom-p1pxzi rn-marginLeft-11wrixw rn-minHeight-ifefl9 rn-minWidth-bcqeeo rn-paddingTop-m611by rn-paddingRight-1qfoi16 rn-paddingBottom-1mi0q7o rn-paddingLeft-1hfyk0a rn-position-bnwqim rn-zIndex-1lgpqti"
+  className="rn-alignItems-1oszu61 rn-backgroundColor-1mjtqww rn-borderTopStyle-1efd50x rn-borderRightStyle-14skgim rn-borderBottomStyle-rull8r rn-borderLeftStyle-mm0ijv rn-borderTopWidth-13yce4e rn-borderRightWidth-fnigne rn-borderBottomWidth-ndvcnb rn-borderLeftWidth-gxnn5r rn-boxSizing-deolkf rn-display-6koalj rn-flexShrink-1qe8dj5 rn-flexBasis-1mlwlqe rn-flexDirection-eqz5dr rn-marginTop-1mnahxq rn-marginRight-61z16t rn-marginBottom-p1pxzi rn-marginLeft-11wrixw rn-minHeight-ifefl9 rn-minWidth-bcqeeo rn-paddingTop-m611by rn-paddingRight-1qfoi16 rn-paddingBottom-1mi0q7o rn-paddingLeft-1hfyk0a rn-position-bnwqim rn-zIndex-1lgpqti"
 />
 `;
 
 exports[`react-test-renderer nested 1`] = `
 <div
-  className="rn-alignItems-1oszu61 rn-backgroundColor-1mjtqww rn-borderTopStyle-1efd50x rn-borderRightStyle-14skgim rn-borderBottomStyle-rull8r rn-borderLeftStyle-mm0ijv rn-borderTopWidth-13yce4e rn-borderRightWidth-fnigne rn-borderBottomWidth-ndvcnb rn-borderLeftWidth-gxnn5r rn-boxSizing-deolkf rn-display-6koalj rn-flexShrink-1pxmb3b rn-flexBasis-7vfszb rn-flexDirection-eqz5dr rn-marginTop-1mnahxq rn-marginRight-61z16t rn-marginBottom-p1pxzi rn-marginLeft-11wrixw rn-minHeight-ifefl9 rn-minWidth-bcqeeo rn-paddingTop-m611by rn-paddingRight-1qfoi16 rn-paddingBottom-1mi0q7o rn-paddingLeft-1hfyk0a rn-position-bnwqim rn-zIndex-1lgpqti"
+  className="rn-alignItems-1oszu61 rn-backgroundColor-1mjtqww rn-borderTopStyle-1efd50x rn-borderRightStyle-14skgim rn-borderBottomStyle-rull8r rn-borderLeftStyle-mm0ijv rn-borderTopWidth-13yce4e rn-borderRightWidth-fnigne rn-borderBottomWidth-ndvcnb rn-borderLeftWidth-gxnn5r rn-boxSizing-deolkf rn-display-6koalj rn-flexShrink-1qe8dj5 rn-flexBasis-1mlwlqe rn-flexDirection-eqz5dr rn-marginTop-1mnahxq rn-marginRight-61z16t rn-marginBottom-p1pxzi rn-marginLeft-11wrixw rn-minHeight-ifefl9 rn-minWidth-bcqeeo rn-paddingTop-m611by rn-paddingRight-1qfoi16 rn-paddingBottom-1mi0q7o rn-paddingLeft-1hfyk0a rn-position-bnwqim rn-zIndex-1lgpqti"
 >
   <div
     className="rn-borderTopWidth-13yce4e rn-borderRightWidth-fnigne rn-borderBottomWidth-ndvcnb rn-borderLeftWidth-gxnn5r rn-boxSizing-deolkf rn-color-1bodaif rn-display-1471scf rn-fontFamily-14xgk7a rn-fontSize-ubezar rn-fontStyle-o11vmf rn-fontVariant-ebii48 rn-fontWeight-gul640 rn-lineHeight-t9a87b rn-marginTop-1mnahxq rn-marginRight-61z16t rn-marginBottom-p1pxzi rn-marginLeft-11wrixw rn-paddingTop-wk8lta rn-paddingRight-9aemit rn-paddingBottom-1mdbw0j rn-paddingLeft-gy4na3 rn-verticalAlign-9iso6 rn-textDecoration-bauka4 rn-whiteSpace-q42fyq rn-wordWrap-qvutc0"
@@ -294,6 +294,6 @@ exports[`react-test-renderer nested 1`] = `
 
 exports[`react-test-renderer noop 1`] = `
 <div
-  className="rn-alignItems-1oszu61 rn-borderTopStyle-1efd50x rn-borderRightStyle-14skgim rn-borderBottomStyle-rull8r rn-borderLeftStyle-mm0ijv rn-borderTopWidth-13yce4e rn-borderRightWidth-fnigne rn-borderBottomWidth-ndvcnb rn-borderLeftWidth-gxnn5r rn-boxSizing-deolkf rn-display-6koalj rn-flexShrink-1pxmb3b rn-flexBasis-7vfszb rn-flexDirection-eqz5dr rn-marginTop-1mnahxq rn-marginRight-61z16t rn-marginBottom-p1pxzi rn-marginLeft-11wrixw rn-minHeight-ifefl9 rn-minWidth-bcqeeo rn-paddingTop-wk8lta rn-paddingRight-9aemit rn-paddingBottom-1mdbw0j rn-paddingLeft-gy4na3 rn-position-bnwqim rn-zIndex-1lgpqti"
+  className="rn-alignItems-1oszu61 rn-borderTopStyle-1efd50x rn-borderRightStyle-14skgim rn-borderBottomStyle-rull8r rn-borderLeftStyle-mm0ijv rn-borderTopWidth-13yce4e rn-borderRightWidth-fnigne rn-borderBottomWidth-ndvcnb rn-borderLeftWidth-gxnn5r rn-boxSizing-deolkf rn-display-6koalj rn-flexShrink-1qe8dj5 rn-flexBasis-1mlwlqe rn-flexDirection-eqz5dr rn-marginTop-1mnahxq rn-marginRight-61z16t rn-marginBottom-p1pxzi rn-marginLeft-11wrixw rn-minHeight-ifefl9 rn-minWidth-bcqeeo rn-paddingTop-wk8lta rn-paddingRight-9aemit rn-paddingBottom-1mdbw0j rn-paddingLeft-gy4na3 rn-position-bnwqim rn-zIndex-1lgpqti"
 />
 `;
diff --git a/packages/react-native-web/src/exports/AppRegistry/__tests__/__snapshots__/index-test.js.snap b/packages/react-native-web/src/exports/AppRegistry/__tests__/__snapshots__/index-test.js.snap
index 8396288e..cc5a01bc 100644
--- a/packages/react-native-web/src/exports/AppRegistry/__tests__/__snapshots__/index-test.js.snap
+++ b/packages/react-native-web/src/exports/AppRegistry/__tests__/__snapshots__/index-test.js.snap
@@ -47,8 +47,8 @@ input::-webkit-inner-spin-button,input::-webkit-outer-spin-button,input::-webkit
 .rn-borderLeftWidth-gxnn5r{border-left-width:0px}
 .rn-boxSizing-deolkf{box-sizing:border-box}
 .rn-display-6koalj{display:-webkit-box;display:-moz-box;display:-ms-flexbox;display:-webkit-flex;display:flex}
-.rn-flexShrink-1pxmb3b{-ms-flex-negative:0 !important;-webkit-flex-shrink:0 !important;flex-shrink:0 !important}
-.rn-flexBasis-7vfszb{-ms-flex-preferred-size:auto !important;-webkit-flex-basis:auto !important;flex-basis:auto !important}
+.rn-flexShrink-1qe8dj5{-ms-flex-negative:0;-webkit-flex-shrink:0;flex-shrink:0}
+.rn-flexBasis-1mlwlqe{-ms-flex-preferred-size:auto;-webkit-flex-basis:auto;flex-basis:auto}
 .rn-flexDirection-eqz5dr{-ms-flex-direction:column;-webkit-box-direction:normal;-webkit-box-orient:vertical;-webkit-flex-direction:column;flex-direction:column}
 .rn-marginTop-1mnahxq{margin-top:0px}
 .rn-marginRight-61z16t{margin-right:0px}
@@ -62,7 +62,7 @@ input::-webkit-inner-spin-button,input::-webkit-outer-spin-button,input::-webkit
 .rn-paddingLeft-gy4na3{padding-left:0px}
 .rn-position-bnwqim{position:relative}
 .rn-zIndex-1lgpqti{z-index:0}
-.rn-flex-13awgt0{-ms-flex:1;-webkit-flex:1;flex:1}
-.rn-flexGrow-1m1wadx{-ms-flex-positive:1 !important;-webkit-flex-grow:1 !important;flex-grow:1 !important}
-.rn-flexShrink-1awmn5t{-ms-flex-negative:1 !important;-webkit-flex-shrink:1 !important;flex-shrink:1 !important}"
+.rn-flexGrow-16y2uox{-ms-flex-positive:1;-webkit-flex-grow:1;flex-grow:1}
+.rn-flexShrink-1wbh5a2{-ms-flex-negative:1;-webkit-flex-shrink:1;flex-shrink:1}
+.rn-flexBasis-1ro0kt6{-ms-flex-preferred-size:0%;-webkit-flex-basis:0%;flex-basis:0%}"
 `;
diff --git a/packages/react-native-web/src/exports/StyleSheet/__tests__/createReactDOMStyle-test.js b/packages/react-native-web/src/exports/StyleSheet/__tests__/createReactDOMStyle-test.js
index ef3db417..4fe177e2 100644
--- a/packages/react-native-web/src/exports/StyleSheet/__tests__/createReactDOMStyle-test.js
+++ b/packages/react-native-web/src/exports/StyleSheet/__tests__/createReactDOMStyle-test.js
@@ -60,44 +60,44 @@ describe('StyleSheet/createReactDOMStyle', () => {
     test('flex defaults', () => {
       expect(createReactDOMStyle({ display: 'flex' })).toEqual({
         display: 'flex',
-        flexShrink: '0 !important',
-        flexBasis: 'auto !important'
+        flexShrink: 0,
+        flexBasis: 'auto'
       });
     });
 
     test('flex: -1', () => {
       expect(createReactDOMStyle({ display: 'flex', flex: -1 })).toEqual({
         display: 'flex',
-        flexGrow: '0 !important',
-        flexShrink: '1 !important',
-        flexBasis: 'auto !important'
+        flexGrow: 0,
+        flexShrink: 1,
+        flexBasis: 'auto'
       });
     });
 
     test('flex: 0', () => {
       expect(createReactDOMStyle({ display: 'flex', flex: 0 })).toEqual({
         display: 'flex',
-        flexGrow: '0 !important',
-        flexShrink: '0 !important',
-        flexBasis: 'auto !important'
+        flexGrow: 0,
+        flexShrink: 0,
+        flexBasis: '0%'
       });
     });
 
     test('flex: 1', () => {
       expect(createReactDOMStyle({ display: 'flex', flex: 1 })).toEqual({
         display: 'flex',
-        flex: 1,
-        flexGrow: '1 !important',
-        flexShrink: '1 !important'
+        flexGrow: 1,
+        flexShrink: 1,
+        flexBasis: '0%'
       });
     });
 
     test('flex: 10', () => {
       expect(createReactDOMStyle({ display: 'flex', flex: 10 })).toEqual({
         display: 'flex',
-        flex: 10,
-        flexGrow: '10 !important',
-        flexShrink: '1 !important'
+        flexGrow: 10,
+        flexShrink: 1,
+        flexBasis: '0%'
       });
     });
 
@@ -105,17 +105,16 @@ describe('StyleSheet/createReactDOMStyle', () => {
       // is flex-basis applied?
       expect(createReactDOMStyle({ display: 'flex', flexBasis: '25%' })).toEqual({
         display: 'flex',
-        flexShrink: '0 !important',
-        flexBasis: '25% !important'
+        flexShrink: 0,
+        flexBasis: '25%'
       });
 
       // can flex-basis override the 'flex' expansion?
       expect(createReactDOMStyle({ display: 'flex', flex: 1, flexBasis: '25%' })).toEqual({
         display: 'flex',
-        flex: 1,
-        flexGrow: '1 !important',
-        flexShrink: '1 !important',
-        flexBasis: '25% !important'
+        flexGrow: 1,
+        flexShrink: 1,
+        flexBasis: '25%'
       });
     });
 
@@ -123,16 +122,16 @@ describe('StyleSheet/createReactDOMStyle', () => {
       // is flex-shrink applied?
       expect(createReactDOMStyle({ display: 'flex', flexShrink: 1 })).toEqual({
         display: 'flex',
-        flexShrink: '1 !important',
-        flexBasis: 'auto !important'
+        flexShrink: 1,
+        flexBasis: 'auto'
       });
 
       // can flex-shrink override the 'flex' expansion?
       expect(createReactDOMStyle({ display: 'flex', flex: 1, flexShrink: 2 })).toEqual({
         display: 'flex',
-        flex: 1,
-        flexGrow: '1 !important',
-        flexShrink: '2 !important'
+        flexGrow: 1,
+        flexShrink: 2,
+        flexBasis: '0%'
       });
     });
   });
diff --git a/packages/react-native-web/src/exports/StyleSheet/createReactDOMStyle.js b/packages/react-native-web/src/exports/StyleSheet/createReactDOMStyle.js
index 38bb0ee8..ca7c1b17 100644
--- a/packages/react-native-web/src/exports/StyleSheet/createReactDOMStyle.js
+++ b/packages/react-native-web/src/exports/StyleSheet/createReactDOMStyle.js
@@ -186,10 +186,10 @@ const createReducer = (style, styleProps) => {
         // set only if there is no otherwise supplied flex style.
         if (style.display === 'flex' && style.flex == null) {
           if (style.flexShrink == null) {
-            resolvedStyle.flexShrink = '0 !important';
+            resolvedStyle.flexShrink = 0;
           }
           if (style.flexBasis == null) {
-            resolvedStyle.flexBasis = 'auto !important';
+            resolvedStyle.flexBasis = 'auto';
           }
         }
         break;
@@ -197,41 +197,19 @@ const createReducer = (style, styleProps) => {
 
       // The 'flex' property value in React Native must be a positive integer,
       // 0, or -1.
-      //
-      // On the web, a positive integer value for 'flex' is complicated by
-      // browser differences. Although browsers render styles like 'flex:2'
-      // consistently, they don't all set the same value for the resulting
-      // 'flexBasis' (See #616). Expanding 'flex' in 'StyleSheet' would mean
-      // setting different values for different browsers.
-      //
-      // This fix instead relies on the browser expanding 'flex' itself. And
-      // because the 'flex' style is not being expanded the generated CSS is
-      // likely to contain source order "conflicts". To avoid the browser
-      // relying on source order to resolve the styles, all the longhand flex
-      // property values must use '!important'.
       case 'flex': {
         if (value > 0) {
-          resolvedStyle.flex = value;
-          resolvedStyle.flexGrow = `${value} !important`;
-          resolvedStyle.flexShrink = '1 !important';
+          resolvedStyle.flexGrow = value;
+          resolvedStyle.flexShrink = 1;
+          resolvedStyle.flexBasis = '0%';
         } else if (value === 0) {
-          resolvedStyle.flexGrow = '0 !important';
-          resolvedStyle.flexShrink = '0 !important';
-          resolvedStyle.flexBasis = 'auto !important';
+          resolvedStyle.flexGrow = 0;
+          resolvedStyle.flexShrink = 0;
+          resolvedStyle.flexBasis = '0%';
         } else if (value === -1) {
-          resolvedStyle.flexGrow = '0 !important';
-          resolvedStyle.flexShrink = '1 !important';
-          resolvedStyle.flexBasis = 'auto !important';
-        }
-        break;
-      }
-
-      case 'flexGrow':
-      case 'flexShrink':
-      case 'flexBasis': {
-        if (value != null) {
-          const hasImportant = `${value}`.indexOf('!important') > -1;
-          resolvedStyle[prop] = hasImportant ? value : `${value} !important`;
+          resolvedStyle.flexGrow = 0;
+          resolvedStyle.flexShrink = 1;
+          resolvedStyle.flexBasis = 'auto';
         }
         break;
       }