Onboarding: center CTA, remove badges

pikit-web/onboarding/index.html

@@ -19,12 +19,6 @@
         can manage Pi-Kit safely.
       </p>
 
-      <div class="badges">
-        <span class="badge"><span class="dot"></span> Local-only traffic</span>
-        <span class="badge"><span class="dot"></span> Covers the Pi-Kit dashboard</span>
-        <span class="badge"><span class="dot"></span> HTTPS ready once trusted</span>
-      </div>
-
       <section class="actions">
         <button id="continueBtn">Continue to secure dashboard</button>
         <a class="ghost" id="downloadCa" href="http://pikit.local/assets/pikit-ca.crt" download>

pikit-web/onboarding/style.css

@@ -99,9 +99,11 @@ p {
 
 .actions {
   display: flex;
-  gap: 12px;
-  flex-wrap: wrap;
-  margin: 18px 0 12px;
+  flex-direction: column;
+  align-items: center;
+  gap: 10px;
+  margin: 18px auto 14px;
+  width: min(360px, 100%);
 }
 
 button,
@@ -130,6 +132,8 @@ a.ghost {
   background: rgba(255, 255, 255, 0.04);
   color: var(--text);
   box-shadow: none;
+  width: 100%;
+  text-align: center;
 }
 
 button.copy {