Resolved the hyperlink color and <h1> A11y bugs (#9268)

* Resolved the hyperlink color and <h1> A11y bugs

* resolving pipeline issues

* resolving pipeline issues

* resolving pipeline issues

* testing pipeline

* Delete .pipelines/test-ci.yml

* intalling sdk version 17763

* intalling sdk version 17763

* intalling sdk version 18362

* intalling sdk version 19041

* resolving pipeline error

---------

Co-authored-by: Satwik Kumar Sharma <satwiksharma@microsoft.com>

Author: SatwikKrSharma

.pipelines/uwp-ci.yml

@@ -50,6 +50,14 @@ steps:
     targetType: filePath
     filePath: source/uwp/Build/GenerateTestPFX.ps1
 
+- task: PowerShell@2
+  displayName: 'Install Windows SDK'
+  inputs:
+    targetType: 'inline'
+    script: |
+      choco install windows-sdk-10-version-1809-all
+      choco install windows-sdk-10-version-2004-all
+
 - task: VSBuild@1
   name: VSBuild3
   displayName: Build solution

.pipelines/winui3-ci.yml

@@ -43,6 +43,14 @@ steps:
     restoreSolution: $(solution)
     verbosityRestore: Detailed
 
+
+- task: PowerShell@2
+  displayName: 'Install Windows SDK'
+  inputs:
+    targetType: 'inline'
+    script: |
+      choco install windows-sdk-10-version-1809-all
+
 - task: VSBuild@1
   name: VSBuild4
   displayName: Build solution

source/nodejs/adaptivecards-site/themes/adaptivecards/layout/index.ejs

@@ -31,7 +31,7 @@
 
 	<div class="w3-center" style="max-width: 600px; margin: auto">
 		<div class="w3-margin w3-padding-32">
-			<h1 class="w3-xxlarge"><%- site.data.home.en.heading %></h1>
+			<h2 class="w3-xxlarge"><%- site.data.home.en.heading %></h2>
 			<div class="accent-paragraph"><%- site.data.home.en.heading_paragraph %></div>
 			<div class="w3-padding-16">
 				<button role="link" onclick="window.location.href='https://docs.microsoft.com/en-us/adaptive-cards/'"

source/nodejs/adaptivecards-site/themes/adaptivecards/source/css/style.css

@@ -30,7 +30,7 @@ body > #headerAreaHolder {
 
 .ac-blue {
   color: #fff !important;
-  background-color: #0050c5 !important;
+  background-color: var(--blue) !important;
 }
 
 .breadcrumbs {
@@ -646,19 +646,19 @@ button .fa-check {
 
 .ac-blue {
   color: #fff !important;
-  background-color: #0b78d0 !important;
+  background-color: var(--blue) !important;
 }
 
 .homepage a:link,
 .homepage a:visited {
-  color: #0b78d0;
+  color: var(--blue);
   font-size: 15px;
   line-height: 29px;
   font-weight: 600;
 }
 
 .homepage a:hover {
-  color: blue;
+  color: var(--blue-light);
 }
 
 .schema-content a:link,

source/uwp/AdaptiveCardsObjectModel/AdaptiveCardsObjectModel.vcxproj

@@ -43,8 +43,8 @@
     <MinimumVisualStudioVersion>14.0</MinimumVisualStudioVersion>
     <AppContainerApplication>true</AppContainerApplication>
     <ApplicationType>Windows Store</ApplicationType>
-    <WindowsTargetPlatformVersion>10.0.18362.0</WindowsTargetPlatformVersion>
-    <WindowsTargetPlatformMinVersion>10.0.15063.0</WindowsTargetPlatformMinVersion>
+    <WindowsTargetPlatformVersion>10.0.19041.0</WindowsTargetPlatformVersion>
+    <WindowsTargetPlatformMinVersion>10.0.17763.0</WindowsTargetPlatformMinVersion>
     <ApplicationTypeRevision>10.0</ApplicationTypeRevision>
     <TargetName>AdaptiveCards.ObjectModel.Uwp</TargetName>
     <GenerateManifest>false</GenerateManifest>
@@ -53,7 +53,7 @@
     <PlatformToolset Condition="'$(VisualStudioVersion)' == '16.0'">v142</PlatformToolset>
     <CppWinRTFastAbi>true</CppWinRTFastAbi>
     <CppWinRTOptimized>true</CppWinRTOptimized>
-	<UseCrtSDKReferenceStaticWarning>false</UseCrtSDKReferenceStaticWarning>
+    <UseCrtSDKReferenceStaticWarning>false</UseCrtSDKReferenceStaticWarning>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <!-- Build with the Hybrid CRT (Universal CRT + Static VS CRT (for what little the Universal CRT doesn't cover) -->

source/uwp/UWPUITestApp/UWPUITestApp.csproj

@@ -11,7 +11,7 @@
     <AssemblyName>UWPUITestApp</AssemblyName>
     <DefaultLanguage>en-US</DefaultLanguage>
     <TargetPlatformIdentifier>UAP</TargetPlatformIdentifier>
-    <TargetPlatformVersion Condition=" '$(TargetPlatformVersion)' == '' ">10.0.18362.0</TargetPlatformVersion>
+    <TargetPlatformVersion Condition=" '$(TargetPlatformVersion)' == '' ">10.0.19041.0</TargetPlatformVersion>
     <TargetPlatformMinVersion>10.0.17763.0</TargetPlatformMinVersion>
     <MinimumVisualStudioVersion>14</MinimumVisualStudioVersion>
     <FileAlignment>512</FileAlignment>

source/uwp/UWPUITests/UWPUITests.csproj

@@ -18,7 +18,7 @@
 
   <ItemGroup>
     <Reference Include="Windows.Foundation.UniversalApiContract">
-      <HintPath>C:\Program Files (x86)\Windows Kits\10\References\10.0.18362.0\Windows.Foundation.UniversalApiContract\8.0.0.0\Windows.Foundation.UniversalApiContract.winmd</HintPath>
+      <HintPath>C:\Program Files (x86)\Windows Kits\10\References\10.0.19041.0\Windows.Foundation.UniversalApiContract\10.0.0.0\Windows.Foundation.UniversalApiContract.winmd</HintPath>
     </Reference>
   </ItemGroup>