Fix username/id extending off the screen in the welcome line.

apps/ssb.json

@@ -1,5 +1,5 @@
 {
 	"type": "tildefriends-app",
 	"emoji": "🐌",
-	"previous": "&wA6sLaDxtYeFdVCCu8jyhPsGYtGZEjbWQHeGOn0Yifg=.sha256"
+	"previous": "&h0sTvkhc3zEJw/sH612fy5i554Gr1AKzCBbLkm0KH28=.sha256"
 }

apps/ssb/tf-tab-news.js

@@ -136,7 +136,7 @@ class TfTabNewsElement extends LitElement {
 					${this.new_messages_text()}
 				</button>
 			</p>
-			<div>
+			<div class="w3-bar">
 				Welcome, <tf-user id=${this.whoami} .users=${this.users}></tf-user>!
 				${edit_profile}
 			</div>