diff --git a/accomodation.html b/accomodation.html
index cb76027..850bf77 100644
--- a/accomodation.html
+++ b/accomodation.html
@@ -27,7 +27,7 @@
   <body>
 
     <!-- Header -->
-    <header id="header" class="alt skel-layers-fixed">
+    <header id="header" class="skel-layers-fixed">
       <h1><a href="index.html">AQMCSE 2025</a></h1>
       <nav id="nav">
         <ul>
diff --git a/photos.html b/photos.html
index 29c6b34..096bce6 100644
--- a/photos.html
+++ b/photos.html
@@ -27,7 +27,7 @@
   <body>
 
     <!-- Header -->
-    <header id="header" class="alt skel-layers-fixed">
+    <header id="header" class="skel-layers-fixed">
       <h1><a href="index.html">AQMCSE 2025</a></h1>
       <nav id="nav">
         <ul>
diff --git a/program.html b/program.html
index d95797d..93d2433 100644
--- a/program.html
+++ b/program.html
@@ -27,7 +27,7 @@
   <body class="landing">
 
     <!-- Header -->
-    <header id="header" class="alt skel-layers-fixed">
+    <header id="header" class="skel-layers-fixed">
       <h1><a href="index.html">AQMCSE 2025</a></h1>
       <nav id="nav">
         <ul>
diff --git a/registration.html b/registration.html
index fa264a8..6d88831 100644
--- a/registration.html
+++ b/registration.html
@@ -27,7 +27,7 @@
   <body>
 
     <!-- Header -->
-    <header id="header" class="alt skel-layers-fixed">
+    <header id="header" class="skel-layers-fixed">
       <h1><a href="index.html">AQMCSE 2025</a></h1>
       <nav id="nav">
         <ul>
diff --git a/venue.html b/venue.html
index 975e69a..e228772 100644
--- a/venue.html
+++ b/venue.html
@@ -27,7 +27,7 @@
   <body>
 
     <!-- Header -->
-    <header id="header" class="alt skel-layers-fixed">
+    <header id="header" class="skel-layers-fixed">
       <h1><a href="index.html">AQMCSE 2025</a></h1>
       <nav id="nav">
         <ul>
