Add some buttons in place of regular hyperlinks

index.html

@@ -18,12 +18,19 @@
   </div>
 
   <div id="description">
-    <p>A character sprite generator inspired by <a href="https://stendhalgame.org/">Stendhal</a>,
-    <a href="https://lpc.opengameart.org/">Liberated Pixel Cup</a>, &amp; <a href="https://opengameart.org/users/cabbit">Cabbit</a>.</p>
+    <p>
+      A character sprite generator inspired by
+      <a class="button" href="https://stendhalgame.org/">
+        <span class="button">Stendhal</span></a> ,
+      <a class="button" href="https://lpc.opengameart.org/">
+        <span class="button">Liberated Pixel Cup</span></a> , &amp;
+      <a class="button" href="https://opengameart.org/users/cabbit">
+        <span class="button">Cabbit</span></a>.
+    </p>
 
     <p>
       For licensing, attribution, and sources information of assets provided here, see the
-      <a id="asset-info" href="">accompanying README</a>.
+      accompanying <a class="button" id="asset-info"><span class="button">README</span></a>.
     </p>
 
     <p>
@@ -149,7 +156,7 @@
     <p>background image by Kimmo Rundelin licensed under
     <a href="doc/licenses/CC-BY-SA-3.0.txt">Creative Commons Attribution-ShareAlike 3.0</a></p>
     <p>this software is a work-in-progress</p>
-    <p>source code available on <a id="git-repo">GitHub</a></p>
+    <p>source code available on <a class="button" id="git-repo"><span class="button">GitHub</span></a></p>
     <p id="desktop-download"></p>
   </div>
 </body>

info.html

@@ -111,7 +111,8 @@
   </a>
 
   <p class="details">
-    For licensing, attribution, and sources information, see the <a id="asset-info">accompanying README</a>.
+    For licensing, attribution, and sources information, see the accompanying
+    <a class="button" id="asset-info"><span class="button">README</span></a>.
   </p>
 
   <a class="button" href="#top">