Add how it work link for index button

index.html

@@ -59,8 +59,9 @@
         * {
             border-radius: 0 !important;
         }
-        .white{
-            color:white;
+
+        .white {
+            color: white;
         }
     </style>
 </head>
@@ -98,7 +99,10 @@
                     No sync needed.
                 </p>
                 <p class="lead">
-                    <button class="btn btn-secondary">How it works ?</button>
+                    <a href="https://blog.lesspass.com/lesspass-how-it-works-dde742dd18a4#.vbgschksh"
+                       class="btn btn-secondary">
+                        How it works ?
+                    </a>
                 </p>
             </div>
         </div>