diff --git a/lib/resources/styles.css b/lib/resources/styles.css
index f06b221a9b..88e6f9e40b 100644
--- a/lib/resources/styles.css
+++ b/lib/resources/styles.css
@@ -17,11 +17,13 @@ body {
   padding: 0;
   height: 100%;
 }
+
 body {
   display: flex;
   flex-direction: column;
   min-height: 100vh;
 }
+
 header {
   flex: 0 0 56px;
   display: flex;
@@ -29,33 +31,36 @@ header {
   align-items: center;
   padding-left: 30px;
 }
+
 header ol {
   list-style: none;
   margin: 0;
   padding: 0;
 }
+
 header ol li {
   display: inline;
 }
+
 header form {
   display: flex;
   flex: 1;
   justify-content: flex-end;
   padding-right: 30px;
-  
 }
+
 footer {
   flex: 0 0 16px;
-  display: flex;
-  justify-content: center;
-  align-items: center;
-  padding: 20px;
+  text-align: center;
+  padding: 16px 20px;
 }
+
 main {
   flex: 1;
   display: flex;
   flex-direction: row;
 }
+
 .sidebar-offcanvas-left {
   flex: 0 1 195px;
   overflow-y: scroll;
diff --git a/pubspec.yaml b/pubspec.yaml
index bd1ce17364..0a8aed27b7 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -5,7 +5,7 @@ author: Dart Team <misc@dartlang.org>
 description: A documentation generator for Dart.
 homepage: https://github.com/dart-lang/dartdoc
 environment:
-  sdk: '>=1.23.0-dev.11.5 <2.0.0-dev.infinity'
+  sdk: '>=1.23.0-dev.11.5 <2.0.0'
 dependencies:
   analyzer: ^0.30.0
   args: ^0.13.0
diff --git a/testing/test_package_docs/static-assets/styles.css b/testing/test_package_docs/static-assets/styles.css
index f06b221a9b..88e6f9e40b 100644
--- a/testing/test_package_docs/static-assets/styles.css
+++ b/testing/test_package_docs/static-assets/styles.css
@@ -17,11 +17,13 @@ body {
   padding: 0;
   height: 100%;
 }
+
 body {
   display: flex;
   flex-direction: column;
   min-height: 100vh;
 }
+
 header {
   flex: 0 0 56px;
   display: flex;
@@ -29,33 +31,36 @@ header {
   align-items: center;
   padding-left: 30px;
 }
+
 header ol {
   list-style: none;
   margin: 0;
   padding: 0;
 }
+
 header ol li {
   display: inline;
 }
+
 header form {
   display: flex;
   flex: 1;
   justify-content: flex-end;
   padding-right: 30px;
-  
 }
+
 footer {
   flex: 0 0 16px;
-  display: flex;
-  justify-content: center;
-  align-items: center;
-  padding: 20px;
+  text-align: center;
+  padding: 16px 20px;
 }
+
 main {
   flex: 1;
   display: flex;
   flex-direction: row;
 }
+
 .sidebar-offcanvas-left {
   flex: 0 1 195px;
   overflow-y: scroll;