diff --git a/supysonic/frontend/folder.py b/supysonic/frontend/folder.py
index d7f1a3c..60d9d83 100644
--- a/supysonic/frontend/folder.py
+++ b/supysonic/frontend/folder.py
@@ -46,10 +46,10 @@ def add_folder_post():
     error = False
     name, path = map(request.form.get, ("name", "path"))
     if name in (None, ""):
-        flash("The name is required.")
+        flash("The name is required.", "danger")
         error = True
     if path in (None, ""):
-        flash("The path is required.")
+        flash("The path is required.", "danger")
         error = True
     if error:
         return render_template("addfolder.html")
@@ -57,10 +57,10 @@ def add_folder_post():
     try:
         FolderManager.add(name, path)
     except ValueError as e:
-        flash(str(e), "error")
+        flash(str(e), "danger")
         return render_template("addfolder.html")
 
-    flash(f"Folder '{name}' created. You should now run a scan")
+    flash(f"Folder '{name}' created. You should now run a scan", "success")
     return redirect(url_for("frontend.folder_index"))
 
 
@@ -69,11 +69,11 @@ def add_folder_post():
 def del_folder(id):
     try:
         FolderManager.delete(id)
-        flash("Deleted folder")
+        flash("Deleted folder", "success")
     except ValueError as e:
-        flash(str(e), "error")
+        flash(str(e), "danger")
     except Folder.DoesNotExist:
-        flash("No such folder", "error")
+        flash("No such folder", "danger")
 
     return redirect(url_for("frontend.folder_index"))
 
@@ -90,10 +90,10 @@ def scan_folder(id=None):
         DaemonClient(current_app.config["DAEMON"]["socket"]).scan(folders)
         flash("Scanning started")
     except ValueError as e:
-        flash(str(e), "error")
+        flash(str(e), "danger")
     except Folder.DoesNotExist:
-        flash("No such folder", "error")
+        flash("No such folder", "danger")
     except DaemonUnavailableError:
-        flash("Can't start scan", "error")
+        flash("Can't start scan", "danger")
 
     return redirect(url_for("frontend.folder_index"))
diff --git a/supysonic/frontend/playlist.py b/supysonic/frontend/playlist.py
index 2dcedfd..dfb03a7 100644
--- a/supysonic/frontend/playlist.py
+++ b/supysonic/frontend/playlist.py
@@ -30,13 +30,13 @@ def resolve_and_inject_playlist(func):
         try:
             uid = uuid.UUID(uid)
         except ValueError:
-            flash("Invalid playlist id")
+            flash("Invalid playlist id", "warning")
             return redirect(url_for("frontend.playlist_index"))
 
         try:
             playlist = Playlist[uid]
         except Playlist.DoesNotExist:
-            flash("Unknown playlist")
+            flash("Unknown playlist", "warning")
             return redirect(url_for("frontend.playlist_index"))
 
         return func(uid, playlist)
@@ -64,9 +64,9 @@ def playlist_export(uid, playlist):
 @resolve_and_inject_playlist
 def playlist_update(uid, playlist):
     if playlist.user_id != request.user.id:
-        flash("You're not allowed to edit this playlist")
+        flash("You're not allowed to edit this playlist", "danger")
     elif not request.form.get("name"):
-        flash("Missing playlist name")
+        flash("Missing playlist name", "danger")
     else:
         playlist.name = request.form.get("name")
         playlist.public = request.form.get("public") in (
@@ -78,7 +78,7 @@ def playlist_update(uid, playlist):
             "checked",
         )
         playlist.save()
-        flash("Playlist updated.")
+        flash("Playlist updated.", "success")
 
     return playlist_details(str(uid))
 
@@ -87,9 +87,9 @@ def playlist_update(uid, playlist):
 @resolve_and_inject_playlist
 def playlist_delete(uid, playlist):
     if playlist.user_id != request.user.id:
-        flash("You're not allowed to delete this playlist")
+        flash("You're not allowed to delete this playlist", "danger")
     else:
         playlist.delete_instance()
-        flash("Playlist deleted")
+        flash("Playlist deleted", "success")
 
     return redirect(url_for("frontend.playlist_index"))
diff --git a/supysonic/frontend/user.py b/supysonic/frontend/user.py
index 1e329b3..bdafa23 100644
--- a/supysonic/frontend/user.py
+++ b/supysonic/frontend/user.py
@@ -37,10 +37,10 @@ def me_or_uuid(f, arg="uid"):
             try:
                 user = UserManager.get(uid)
             except ValueError as e:
-                flash(str(e), "error")
+                flash(str(e), "danger")
                 return redirect(url_for("frontend.index"))
             except User.DoesNotExist:
-                flash("No such user", "error")
+                flash("No such user", "danger")
                 return redirect(url_for("frontend.index"))
 
         if kwargs:
@@ -111,7 +111,7 @@ def update_clients(uid, user):
         )
         prefs.save()
 
-    flash("Clients preferences updated.")
+    flash("Clients preferences updated.", "success")
     return user_profile(uid, user)
 
 
@@ -121,10 +121,10 @@ def change_username_form(uid):
     try:
         user = UserManager.get(uid)
     except ValueError as e:
-        flash(str(e), "error")
+        flash(str(e), "danger")
         return redirect(url_for("frontend.index"))
     except User.DoesNotExist:
-        flash("No such user", "error")
+        flash("No such user", "danger")
         return redirect(url_for("frontend.index"))
 
     return render_template("change_username.html", user=user)
@@ -136,20 +136,20 @@ def change_username_post(uid):
     try:
         user = UserManager.get(uid)
     except ValueError as e:
-        flash(str(e), "error")
+        flash(str(e), "danger")
         return redirect(url_for("frontend.index"))
     except User.DoesNotExist:
-        flash("No such user", "error")
+        flash("No such user", "danger")
         return redirect(url_for("frontend.index"))
 
     username = request.form.get("user")
     if username in ("", None):
-        flash("The username is required")
+        flash("The username is required", "danger")
         return render_template("change_username.html", user=user)
     if user.name != username:
         try:
             User.get(name=username)
-            flash("This name is already taken")
+            flash("This name is already taken", "danger")
             return render_template("change_username.html", user=user)
         except User.DoesNotExist:
             pass
@@ -163,7 +163,7 @@ def change_username_post(uid):
         user.name = username
         user.admin = admin
         user.save()
-        flash(f"User '{username}' updated.")
+        flash(f"User '{username}' updated.", "success")
     else:
         flash(f"No changes for '{username}'.")
 
@@ -198,16 +198,16 @@ def change_password_post(uid, user):
     if user.id == request.user.id:
         current = request.form.get("current")
         if not current:
-            flash("The current password is required")
+            flash("The current password is required", "danger")
             error = True
 
     new, confirm = map(request.form.get, ("new", "confirm"))
 
     if not new:
-        flash("The new password is required")
+        flash("The new password is required", "danger")
         error = True
     if new != confirm:
-        flash("The new password and its confirmation don't match")
+        flash("The new password and its confirmation don't match", "danger")
         error = True
 
     if not error:
@@ -217,10 +217,10 @@ def change_password_post(uid, user):
             else:
                 UserManager.change_password2(user.name, new)
 
-            flash("Password changed")
+            flash("Password changed", "success")
             return redirect(url_for("frontend.user_profile", uid=uid))
         except ValueError as e:
-            flash(str(e), "error")
+            flash(str(e), "danger")
 
     return change_password_form(uid, user)
 
@@ -240,22 +240,22 @@ def add_user_post():
         args.pop, ("user", "passwd", "passwd_confirm"), (None,) * 3
     )
     if not name:
-        flash("The name is required.")
+        flash("The name is required.", "danger")
         error = True
     if not passwd:
-        flash("Please provide a password.")
+        flash("Please provide a password.", "danger")
         error = True
     elif passwd != passwd_confirm:
-        flash("The passwords don't match.")
+        flash("The passwords don't match.", "danger")
         error = True
 
     if not error:
         try:
             UserManager.add(name, passwd, **args)
-            flash(f"User '{name}' successfully added")
+            flash(f"User '{name}' successfully added", "success")
             return redirect(url_for("frontend.user_index"))
         except ValueError as e:
-            flash(str(e), "error")
+            flash(str(e), "danger")
 
     return add_user_form()
 
@@ -265,11 +265,11 @@ def add_user_post():
 def del_user(uid):
     try:
         UserManager.delete(uid)
-        flash("Deleted user")
+        flash("Deleted user", "success")
     except ValueError as e:
-        flash(str(e), "error")
+        flash(str(e), "danger")
     except User.DoesNotExist:
-        flash("No such user", "error")
+        flash("No such user", "danger")
 
     return redirect(url_for("frontend.user_index"))
 
@@ -279,12 +279,15 @@ def del_user(uid):
 def lastfm_reg(uid, user):
     token = request.args.get("token")
     if not token:
-        flash("Missing LastFM auth token")
+        flash("Missing LastFM auth token", "warning")
         return redirect(url_for("frontend.user_profile", uid=uid))
 
     lfm = LastFm(current_app.config["LASTFM"], user)
     status, error = lfm.link_account(token)
-    flash(error if not status else "Successfully linked LastFM account")
+    if not status:
+        flash(error, "danger")
+    else:
+        flash("Successfully linked LastFM account", "success")
 
     return redirect(url_for("frontend.user_profile", uid=uid))
 
@@ -294,7 +297,7 @@ def lastfm_reg(uid, user):
 def lastfm_unreg(uid, user):
     lfm = LastFm(current_app.config["LASTFM"], user)
     lfm.unlink_account()
-    flash("Unlinked LastFM account")
+    flash("Unlinked LastFM account", "success")
     return redirect(url_for("frontend.user_profile", uid=uid))
 
 
@@ -303,12 +306,15 @@ def lastfm_unreg(uid, user):
 def listenbrainz_reg(uid, user):
     token = request.args.get("token")
     if not token:
-        flash("Missing ListenBrainz auth token")
+        flash("Missing ListenBrainz auth token", "warning")
         return redirect(url_for("frontend.user_profile", uid=uid))
 
     lbz = ListenBrainz(current_app.config["LISTENBRAINZ"], user)
     status, error = lbz.link_account(token)
-    flash(error if not status else "Successfully linked ListenBrainz account")
+    if not status:
+        flash(error, "danger")
+    else:
+        flash("Successfully linked ListenBrainz account", "success")
 
     return redirect(url_for("frontend.user_profile", uid=uid))
 
@@ -318,7 +324,7 @@ def listenbrainz_reg(uid, user):
 def listenbrainz_unreg(uid, user):
     lbz = ListenBrainz(current_app.config["LISTENBRAINZ"], user)
     lbz.unlink_account()
-    flash("Unlinked ListenBrainz account")
+    flash("Unlinked ListenBrainz account", "success")
     return redirect(url_for("frontend.user_profile", uid=uid))
 
 
@@ -335,10 +341,10 @@ def login():
     name, password = map(request.form.get, ("user", "password"))
     error = False
     if not name:
-        flash("Missing user name")
+        flash("Missing user name", "danger")
         error = True
     if not password:
-        flash("Missing password")
+        flash("Missing password", "danger")
         error = True
 
     if not error:
@@ -346,13 +352,13 @@ def login():
         if user:
             logger.info("Logged user %s (IP: %s)", name, request.remote_addr)
             session["userid"] = str(user.id)
-            flash("Logged in!")
+            flash("Logged in!", "success")
             return redirect(return_url)
         else:
             logger.error(
                 "Failed login attempt for user %s (IP: %s)", name, request.remote_addr
             )
-            flash("Wrong username or password")
+            flash("Wrong username or password", "danger")
 
     return render_template("login.html")
 
@@ -360,5 +366,5 @@ def login():
 @frontend.route("/user/logout")
 def logout():
     session.clear()
-    flash("Logged out!")
+    flash("Logged out!", "success")
     return redirect(url_for("frontend.login"))
diff --git a/supysonic/templates/layout.html b/supysonic/templates/layout.html
index 3d2a7b0..35c965e 100644
--- a/supysonic/templates/layout.html
+++ b/supysonic/templates/layout.html
@@ -97,14 +97,16 @@
     </nav>
 
     <div class="container">
-      {% if get_flashed_messages() %}
-      <div class="alert alert-info alert-dismissible fade show" role="alert">
-        {% for message in get_flashed_messages() %}
-        {{ message }}<br />
-        {% endfor %}
+      {% with messages = get_flashed_messages(with_categories=true) %}
+      {% if messages %}
+      {% for category, message in messages %}
+      <div class="alert alert-{% if category == "message" %}info{% else %}{{ category }}{% endif %} alert-dismissible fade show" role="alert">
+        {{ message }}
         <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
       </div>
+      {% endfor %}
       {% endif %}
+      {% endwith %}
 
       {% block body %}{% endblock %}