Tweak space add

src/app/components/SpaceAdd.svelte

@@ -17,11 +17,10 @@
       Spaces are places where communities come together to work, play, and hang out.
     </p>
   </div>
-  <CardButton icon="add-circle" title="Get started" on:click={startCreate}>
+  <CardButton icon="add-circle" title="Create a space" on:click={startCreate}>
     Just a few questions and you'll be on your way.
   </CardButton>
-  <div class="card2 column gap-4">
-    <h2 class="subheading">Have an invite?</h2>
-    <Button class="btn btn-primary" on:click={startJoin}>Join a Space</Button>
-  </div>
+  <CardButton icon="login-2" title="Join a space" on:click={startJoin}>
+    Enter an invite code or url to join an existing space.
+  </CardButton>
 </div>