_content: Help page update

- Adds new card style for help page

Screenshot: https://drive.google.com/file/d/11nT6QYZkgoCvvfwRkZVfV1Rrw74VEj9N/view?usp=sharing

Change-Id: Ie104b424ae2d837c9457b666a382f246122ef89e
Reviewed-on: https://go-review.googlesource.com/c/website/+/443695
Reviewed-by: Hyang-Ah Hana Kim <hyangah@gmail.com>
Reviewed-by: Jamal Carvalho <jamal@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Jamal Carvalho <jamal@golang.org>

_content/css/styles.css

@@ -3878,7 +3878,21 @@ a.UseCase-anchorLink.selected::before {
 img.PullQuote-image {
   width: 2.625rem;
 }
-
+.BigCard {
+  border: var(--border);
+  border-radius: 0.25rem;
+  padding: 0 1.75rem;
+  margin-bottom: 1.5rem;
+}
+.BigCard h2 {
+  margin-top: 1.5rem;
+  font-style: normal;
+  font-weight: 400;
+  font-size: 1.125rem;
+  line-height: 2rem;
+  border-bottom: var(--border);
+  padding-bottom: 0.5rem;
+}
 .Card {
   background-color: var(--white);
   border: var(--border);

_content/help.md

@@ -7,8 +7,8 @@ sidebar: "bug"
 
 <div id="manual-nav"></div>
 
-<h2 id="help">Get help</h2>
-
+<section id="help" class="BigCard">
+<h2>Get help</h2>
 <h3 id="mailinglist"><a href="https://groups.google.com/group/golang-nuts">Go Nuts Mailing List</a></h3>
 <p>
 Get help from Go users, and share your work on the official mailing list.
@@ -39,8 +39,10 @@ the Go IRC channel.</p>
 
 <h3 id="faq"><a href="/doc/faq">Frequently Asked Questions (FAQ)</a></h3>
 <p>Answers to common questions about Go.</p>
+</section>
 
-<h2 id="inform">Stay informed</h2>
+<section id="inform" class="BigCard">
+<h2>Stay informed</h2>
 
 <h3 id="announce"><a href="https://groups.google.com/group/golang-announce">Go Announcements Mailing List</a></h3>
 <p>
@@ -66,8 +68,11 @@ for Go news and discussion.
 The <a href="https://changelog.com/gotime">Go Time podcast</a> is a panel of Go experts and special guests
 discussing the Go programming language, the community, and everything in between.
 </p>
+</section>
 
-<h2 id="community">Community resources</h2>
+
+<section id="community" class="BigCard">
+<h2>Community resources</h2>
 
 <h3 id="go_user_groups"><a href="/wiki/GoUserGroups">Go User Groups</a></h3>
 <p>
@@ -86,4 +91,4 @@ meet to talk about Go. Find a chapter near you.
 Guidelines for participating in Go community spaces
 and a reporting process for handling issues.
 </p>
-
+</section>