[Site][Accessibility] Update link indicators to underline on hover (#…

…5374)

* [Site][Accessibility] Added underlines to links that don't have chevrons

* Updates from feedback from the accessibility team

* Update to limit the blue in the footer to only the Hexo and Storybook links

source/nodejs/adaptivecards-site/themes/adaptivecards/layout/_partial/footer.ejs

@@ -8,8 +8,8 @@
 			<img src="<%- url_for('content/adaptive-cards-100.png') %>" alt="Adaptive Cards logo"
 				class="w3-image" style="width: 75px; margin-right: 6px" /> 
 			<span class="w3-large brand">Adaptive Cards</span>
-			<p>Homepage design inspired by <a href="https://storybook.js.org">Storybook.js</a>.
-				Site powered by <a href="https://hexo.io">Hexo</a>.</p>
+			<p>Homepage design inspired by <a class="ac-footer-link-no-chevron" href="https://storybook.js.org">Storybook.js</a>.
+				Site powered by <a class="ac-footer-link-no-chevron" href="https://hexo.io">Hexo</a>.</p>
 			<p class="w3-small build-date">Build date: <%= new Date().toLocaleDateString() %></p>
 		</div>
 

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

@@ -631,7 +631,6 @@ dir {
 
 .homepage a:hover {
   color: blue;
-  text-decoration: none;
 }
 
 /* .fa-chevron-right {
@@ -668,7 +667,10 @@ dir {
 
 .ac-footer a:hover {
   color: #6b6b6b;
-  text-decoration: none;
+}
+
+.ac-footer-link-no-chevron{
+  color: #0b78d0!important;  
 }
 
 .ac-footer .post-subtitle {