Top save button + fixed some CSS

src/webui/site-info/index.html

@@ -6,6 +6,7 @@
 
     <h1>Edit Site Info</h1>
     <form id="site-info-form">
+    <button type="submit" class="top-save">Save</button>
       <!-- Info Section -->
       <fieldset>
         <h2>Info</h2>
@@ -132,6 +133,7 @@
       </fieldset>
       <button type="submit">Save</button>
     </form>
+    <!-- Stepper -->
     <div class="section">
         <h2>Steps</h2>
         <p> Follow the steps to generate your static gallery</p>