Revise mailing-list.html

Author: mattcone

_includes/mailing-list.html

@@ -1,16 +1,17 @@
 <div class="card bg-light mb-3" style="max-width: 100%; margin-top: 50px;">
   <div class="row no-gutters">
     <div class="col-md-4">
-      <a href="https://gum.co/markdownguide"><img src="/assets/images/book-cover.jpg" class="card-img" alt="Markdown Guide book cover"></a>
+      <a href="https://gum.co/markdownguide?wanted=true"><img src="/assets/images/book-cover.jpg" class="card-img" alt="Markdown Guide book cover"></a>
     </div>
     <div class="col-md-8">
       <div class="card-body" style="padding-left: 5%;">
-        <h5 class="card-title no-anchor" data-toc-skip>Get the <em>Markdown Guide</em> book.</h5>
-        <p class="card-text">Learn Markdown in 60 pages. The <em>Markdown Guide</em> includes everything you need to get started, choose a Markdown application, and master the Markdown syntax.</p>
-        <p class="card-text">✔️ Professional quality PDF, MOBI, and EPUB files (DRM-free)</p>
+        <h4 class="card-title no-anchor" data-toc-skip>Get the <em>Markdown Guide</em> book</h4>
+        <p class="card-text">Learn Markdown in 60 pages. The <em>Markdown Guide</em> includes everything you need to get started and master Markdown syntax.</p>
+        <p class="card-text">✔️ Professional quality PDF, MOBI, and EPUB files</p>
         <p class="card-text">✔️ Unlimited free lifetime updates</p>
         <p class="card-text">✔️ 100% satisfaction guaranteed</p>
-        <a class="btn btn-success" style="margin-top: 5px" href="https://gum.co/markdownguide">Buy book for $9.99</a>
+        <a class="btn btn-success" style="margin-top: 5px; margin-right: 15px" href="https://gum.co/markdownguide?wanted=true">Buy now for $9.99</a>
+        <a class="btn btn-outline-secondary" style="margin-top: 5px" href="/assets/markdown-guide-sample.pdf">Read free sample</a>
       </div>
     </div>
   </div>