Improve followed-by label

src/routes/_components/profile/AccountProfileHeader.html

@@ -41,10 +41,10 @@
     white-space: nowrap;
   }
   .account-profile-followed-by-span {
-    background: rgba(30, 30, 30, 0.2);
-    border-radius: 4px;
-    padding: 3px 5px;
     white-space: nowrap;
+    padding: 3px 6px;
+    border: 1px solid;
+    border-radius: 4px;
   }
   .account-profile-avatar {
     grid-area: avatar;