Uniform shadow with rest of the app

lib/music_library_web/controllers/session_html/new.html.heex

@@ -6,7 +6,7 @@
       </h2>
     </div>
     <.form class="space-y-6" for={@form} action={~p"/sessions/create"}>
-      <div class="relative -space-y-px rounded-md shadow-xs">
+      <div class="relative -space-y-px rounded-md shadow-sm">
         <div>
           <label for="password" class="sr-only">{gettext("Password")}</label>
           <.input