diff --git a/src/components/Header/Header.jsx b/src/components/Header/Header.jsx
index 76c07f7..dd660d4 100644
--- a/src/components/Header/Header.jsx
+++ b/src/components/Header/Header.jsx
@@ -86,7 +86,7 @@ function Header() {
   );
 
   return (
-    <div className="Header">
+    <div className="header">
       <CssBaseline />
       <AppBar position="static">
         <Toolbar>
diff --git a/src/css/global.css b/src/css/global.css
index f05a93c..031017c 100644
--- a/src/css/global.css
+++ b/src/css/global.css
@@ -90,6 +90,6 @@
   margin-block: 10px;
 }
 
-.css-hip9hq-MuiPaper-root-MuiAppBar-root {
+.header header {
   background-color: #272727 !important;
 }
\ No newline at end of file