Update link to codec tool. (#13)

* Update link to codec tool.

* Align items;

Author: tomusdrw

src/index.html

@@ -105,21 +105,27 @@ <h3>trie visualiser<br/><small>(in progress)</small></h3>
                 </div>
                 <div class="item">
                     <div class="img"><img src="assets/images/icon5.png" alt=""></div>
-                    <h3>jam codec<br/><small>(in progress)</small></h3>
-                    <p></p>
+                    <h3>jam codec<br/><small>&nbsp;</small></h3>
+                    <p>
+                        encode &amp; decode basic jam data structure's
+                    </p>
                     <a href="//github.com/fluffylabs/codec" class="btn-transparent">code</a>
-                    <a href="//codec.fluffylabs.dev" class="btn">demo</a>
+                    <a href="//papi.fluffylabs.dev" class="btn">demo</a>
                 </div>
                 <div class="item">
                     <div class="img"><img src="assets/images/icon6.png" alt=""></div>
                     <h3>jam block explorer<br /><small>(planned)</small></h3>
-                    <p></p>
+                    <br/>
+                    <br/>
+                    <br/>
                     <a href="#contact" class="scroll-down btn-transparent">contact</a>
                 </div>
                 <div class="item">
                     <div class="img"><img src="assets/images/icon3.png" alt=""></div>
                     <h3>jam network dashboard<br /><small>(planned)</small></h3>
-                    <p></p>
+                    <br/>
+                    <br/>
+                    <br/>
                     <a href="#contact" class="scroll-down btn-transparent">contact</a>
                 </div>
                 <div class="item-full mobile-hidden">