Link error pages with home page

src/404.html

@@ -16,7 +16,7 @@
         <h3 class='mB-10 fsz-lg c-grey-900 tt-c'>Oops Page Not Found</h3>
         <p class='mB-30 fsz-def c-grey-700'>The page you are looking for does not exist or has been moved.</p>
         <div>
-          <a href='' type='primary' class='btn btn-primary'>Go to Home</a>
+          <a href="index.html" type='primary' class='btn btn-primary'>Go to Home</a>
         </div>
       </div>
     </div>

src/500.html

@@ -16,7 +16,7 @@
         <h3 class='mB-10 fsz-lg c-grey-900 tt-c'>Internal server error</h3>
         <p class='mB-30 fsz-def c-grey-700'>Something goes wrong with our servers, please try again later.</p>
         <div>
-          <a href='' type='primary' class='btn btn-primary'>Go to Home</a>
+          <a href="index.html" type='primary' class='btn btn-primary'>Go to Home</a>
         </div>
       </div>
     </div>