Make button look like a button

Author: Zexbe

src/styles/app.scss

@@ -732,3 +732,6 @@ section header {
   /* Tachyons is missing this class */
   max-height: 5rem;
 }
+#platform-instructions-win div:first-child {
+  max-width: 80%;
+}

templates/components/tools/rustup.hbs

@@ -4,9 +4,11 @@
     <pre><code class="db w-100">curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh</code></pre>
   </div>
   <div id="platform-instructions-win" class="instructions dn">
-    <p>{{fluent "tools-rustup-windows"}}</p>
-    <a href="https://win.rustup.rs" class="button button-secondary">{{fluent "install-rustup-button"}}</a>
-    <p><b>{{fluent "tools-rustup-wsl-heading"}}</b></p>
+    <div>
+      <p>{{fluent "tools-rustup-windows"}}</p>
+      <a href="https://win.rustup.rs" class="button button-secondary">{{fluent "install-rustup-button"}}</a>
+    </div>
+    <h2>{{fluent "tools-rustup-wsl-heading"}}</h2>
     <p>{{fluent "tools-rustup-wsl"}}</p>
     <pre><code class="db w-100">curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh</code></pre>
   </div>